15721799128

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{631}}^1\times {\mathrm{23417}}^1$

素因数の和:24080

約数の個数: 64

約数和(自身を含む): 35520422400

約数和(自身を除く): 19798623272

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 38, 56, 76, 133, 152, 266, 532, 631, 1064, 1262, 2524, 4417, 5048, 8834, 11989, 17668, 23417, 23978, 35336, 46834, 47956, 83923, 93668, 95912, 163919, 167846, 187336, 327838, 335692, 444923, 655676, 671384, 889846, 1311352, 1779692, 3114461, 3559384, 6228922, 12457844, 14776127, 24915688, 29552254, 59104508, 103432889, 118209016, 206865778, 280746413, 413731556, 561492826, 827463112, 1122985652, 1965224891, 2245971304, 3930449782, 7860899564, 15721799128]

約数ペア:

[(1, 15721799128), (2, 7860899564), (4, 3930449782), (7, 2245971304), (8, 1965224891), (14, 1122985652), (19, 827463112), (28, 561492826), (38, 413731556), (56, 280746413), (76, 206865778), (133, 118209016), (152, 103432889), (266, 59104508), (532, 29552254), (631, 24915688), (1064, 14776127), (1262, 12457844), (2524, 6228922), (4417, 3559384), (5048, 3114461), (8834, 1779692), (11989, 1311352), (17668, 889846), (23417, 671384), (23978, 655676), (35336, 444923), (46834, 335692), (47956, 327838), (83923, 187336), (93668, 167846), (95912, 163919)]