131405976

素因数分解:

$2^3\times 3^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{821}}^1$

素因数の和:871

約数の個数: 160

約数和(自身を含む): 417740400

約数和(自身を除く): 286334424

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 19, 24, 26, 27, 36, 38, 39, 52, 54, 57, 72, 76, 78, 81, 104, 108, 114, 117, 152, 156, 162, 171, 216, 228, 234, 247, 312, 324, 342, 351, 456, 468, 494, 513, 648, 684, 702, 741, 821, 936, 988, 1026, 1053, 1368, 1404, 1482, 1539, 1642, 1976, 2052, 2106, 2223, 2463, 2808, 2964, 3078, 3284, 4104, 4212, 4446, 4926, 5928, 6156, 6568, 6669, 7389, 8424, 8892, 9852, 10673, 12312, 13338, 14778, 15599, 17784, 19704, 20007, 21346, 22167, 26676, 29556, 31198, 32019, 40014, 42692, 44334, 46797, 53352, 59112, 62396, 64038, 66501, 80028, 85384, 88668, 93594, 96057, 124792, 128076, 133002, 140391, 160056, 177336, 187188, 192114, 202787, 256152, 266004, 280782, 288171, 374376, 384228, 405574, 421173, 532008, 561564, 576342, 608361, 768456, 811148, 842346, 864513, 1123128, 1152684, 1216722, 1263519, 1622296, 1684692, 1729026, 1825083, 2305368, 2433444, 2527038, 3369384, 3458052, 3650166, 4866888, 5054076, 5475249, 6916104, 7300332, 10108152, 10950498, 14600664, 16425747, 21900996, 32851494, 43801992, 65702988, 131405976]

約数ペア:

[(1, 131405976), (2, 65702988), (3, 43801992), (4, 32851494), (6, 21900996), (8, 16425747), (9, 14600664), (12, 10950498), (13, 10108152), (18, 7300332), (19, 6916104), (24, 5475249), (26, 5054076), (27, 4866888), (36, 3650166), (38, 3458052), (39, 3369384), (52, 2527038), (54, 2433444), (57, 2305368), (72, 1825083), (76, 1729026), (78, 1684692), (81, 1622296), (104, 1263519), (108, 1216722), (114, 1152684), (117, 1123128), (152, 864513), (156, 842346), (162, 811148), (171, 768456), (216, 608361), (228, 576342), (234, 561564), (247, 532008), (312, 421173), (324, 405574), (342, 384228), (351, 374376), (456, 288171), (468, 280782), (494, 266004), (513, 256152), (648, 202787), (684, 192114), (702, 187188), (741, 177336), (821, 160056), (936, 140391), (988, 133002), (1026, 128076), (1053, 124792), (1368, 96057), (1404, 93594), (1482, 88668), (1539, 85384), (1642, 80028), (1976, 66501), (2052, 64038), (2106, 62396), (2223, 59112), (2463, 53352), (2808, 46797), (2964, 44334), (3078, 42692), (3284, 40014), (4104, 32019), (4212, 31198), (4446, 29556), (4926, 26676), (5928, 22167), (6156, 21346), (6568, 20007), (6669, 19704), (7389, 17784), (8424, 15599), (8892, 14778), (9852, 13338), (10673, 12312)]