531891738

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{2389}}^1$

素因数の和:2457

約数の個数: 128

約数和(自身を含む): 1468416000

約数和(自身を除く): 936524262

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 19, 21, 27, 31, 38, 42, 54, 57, 62, 63, 93, 114, 126, 133, 171, 186, 189, 217, 266, 279, 342, 378, 399, 434, 513, 558, 589, 651, 798, 837, 1026, 1178, 1197, 1302, 1674, 1767, 1953, 2389, 2394, 3534, 3591, 3906, 4123, 4778, 5301, 5859, 7167, 7182, 8246, 10602, 11718, 12369, 14334, 15903, 16723, 21501, 24738, 31806, 33446, 37107, 43002, 45391, 50169, 64503, 74059, 74214, 90782, 100338, 111321, 129006, 136173, 148118, 150507, 222177, 222642, 272346, 301014, 317737, 408519, 444354, 451521, 518413, 635474, 666531, 817038, 903042, 953211, 1036826, 1225557, 1333062, 1407121, 1555239, 1906422, 1999593, 2451114, 2814242, 2859633, 3110478, 3999186, 4221363, 4665717, 5719266, 8442726, 8578899, 9331434, 9849847, 12664089, 13997151, 17157798, 19699694, 25328178, 27994302, 29549541, 37992267, 59099082, 75984534, 88648623, 177297246, 265945869, 531891738]

約数ペア:

[(1, 531891738), (2, 265945869), (3, 177297246), (6, 88648623), (7, 75984534), (9, 59099082), (14, 37992267), (18, 29549541), (19, 27994302), (21, 25328178), (27, 19699694), (31, 17157798), (38, 13997151), (42, 12664089), (54, 9849847), (57, 9331434), (62, 8578899), (63, 8442726), (93, 5719266), (114, 4665717), (126, 4221363), (133, 3999186), (171, 3110478), (186, 2859633), (189, 2814242), (217, 2451114), (266, 1999593), (279, 1906422), (342, 1555239), (378, 1407121), (399, 1333062), (434, 1225557), (513, 1036826), (558, 953211), (589, 903042), (651, 817038), (798, 666531), (837, 635474), (1026, 518413), (1178, 451521), (1197, 444354), (1302, 408519), (1674, 317737), (1767, 301014), (1953, 272346), (2389, 222642), (2394, 222177), (3534, 150507), (3591, 148118), (3906, 136173), (4123, 129006), (4778, 111321), (5301, 100338), (5859, 90782), (7167, 74214), (7182, 74059), (8246, 64503), (10602, 50169), (11718, 45391), (12369, 43002), (14334, 37107), (15903, 33446), (16723, 31806), (21501, 24738)]