638642004

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{673}}^1$

素因数の和:790

約数の個数: 192

約数和(自身を含む): 2029117440

約数和(自身を除く): 1390475436

約数列:

[1, 2, 3, 4, 6, 7, 11, 12, 13, 14, 21, 22, 26, 28, 33, 39, 42, 44, 52, 66, 77, 78, 79, 84, 91, 132, 143, 154, 156, 158, 182, 231, 237, 273, 286, 308, 316, 364, 429, 462, 474, 546, 553, 572, 673, 858, 869, 924, 948, 1001, 1027, 1092, 1106, 1346, 1659, 1716, 1738, 2002, 2019, 2054, 2212, 2607, 2692, 3003, 3081, 3318, 3476, 4004, 4038, 4108, 4711, 5214, 6006, 6083, 6162, 6636, 7189, 7403, 8076, 8749, 9422, 10428, 11297, 12012, 12166, 12324, 14133, 14378, 14806, 17498, 18249, 18844, 21567, 22209, 22594, 24332, 26247, 28266, 28756, 29612, 33891, 34996, 36498, 43134, 44418, 45188, 51821, 52494, 53167, 56532, 61243, 67782, 72996, 79079, 86268, 88836, 96239, 103642, 104988, 106334, 122486, 135564, 155463, 158158, 159501, 183729, 192478, 207284, 212668, 237237, 244972, 288717, 310926, 316316, 319002, 367458, 372169, 384956, 474474, 577434, 584837, 621852, 638004, 673673, 691171, 734916, 744338, 948948, 1116507, 1154868, 1169674, 1347346, 1382342, 1488676, 1754511, 2021019, 2073513, 2233014, 2339348, 2694692, 2764684, 3509022, 4042038, 4093859, 4147026, 4466028, 4838197, 7018044, 7602881, 8084076, 8187718, 8294052, 9676394, 12281577, 14514591, 15205762, 16375436, 19352788, 22808643, 24563154, 29029182, 30411524, 45617286, 49126308, 53220167, 58058364, 91234572, 106440334, 159660501, 212880668, 319321002, 638642004]

約数ペア:

[(1, 638642004), (2, 319321002), (3, 212880668), (4, 159660501), (6, 106440334), (7, 91234572), (11, 58058364), (12, 53220167), (13, 49126308), (14, 45617286), (21, 30411524), (22, 29029182), (26, 24563154), (28, 22808643), (33, 19352788), (39, 16375436), (42, 15205762), (44, 14514591), (52, 12281577), (66, 9676394), (77, 8294052), (78, 8187718), (79, 8084076), (84, 7602881), (91, 7018044), (132, 4838197), (143, 4466028), (154, 4147026), (156, 4093859), (158, 4042038), (182, 3509022), (231, 2764684), (237, 2694692), (273, 2339348), (286, 2233014), (308, 2073513), (316, 2021019), (364, 1754511), (429, 1488676), (462, 1382342), (474, 1347346), (546, 1169674), (553, 1154868), (572, 1116507), (673, 948948), (858, 744338), (869, 734916), (924, 691171), (948, 673673), (1001, 638004), (1027, 621852), (1092, 584837), (1106, 577434), (1346, 474474), (1659, 384956), (1716, 372169), (1738, 367458), (2002, 319002), (2019, 316316), (2054, 310926), (2212, 288717), (2607, 244972), (2692, 237237), (3003, 212668), (3081, 207284), (3318, 192478), (3476, 183729), (4004, 159501), (4038, 158158), (4108, 155463), (4711, 135564), (5214, 122486), (6006, 106334), (6083, 104988), (6162, 103642), (6636, 96239), (7189, 88836), (7403, 86268), (8076, 79079), (8749, 72996), (9422, 67782), (10428, 61243), (11297, 56532), (12012, 53167), (12166, 52494), (12324, 51821), (14133, 45188), (14378, 44418), (14806, 43134), (17498, 36498), (18249, 34996), (18844, 33891), (21567, 29612), (22209, 28756), (22594, 28266), (24332, 26247)]