157321528

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{6971}}^1$

素因数の和:7028

約数の個数: 64

約数和(自身を含む): 374814720

約数和(自身を除く): 217493192

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 31, 52, 56, 62, 91, 104, 124, 182, 217, 248, 364, 403, 434, 728, 806, 868, 1612, 1736, 2821, 3224, 5642, 6971, 11284, 13942, 22568, 27884, 48797, 55768, 90623, 97594, 181246, 195188, 216101, 362492, 390376, 432202, 634361, 724984, 864404, 1268722, 1512707, 1728808, 2537444, 2809313, 3025414, 5074888, 5618626, 6050828, 11237252, 12101656, 19665191, 22474504, 39330382, 78660764, 157321528]

約数ペア:

[(1, 157321528), (2, 78660764), (4, 39330382), (7, 22474504), (8, 19665191), (13, 12101656), (14, 11237252), (26, 6050828), (28, 5618626), (31, 5074888), (52, 3025414), (56, 2809313), (62, 2537444), (91, 1728808), (104, 1512707), (124, 1268722), (182, 864404), (217, 724984), (248, 634361), (364, 432202), (403, 390376), (434, 362492), (728, 216101), (806, 195188), (868, 181246), (1612, 97594), (1736, 90623), (2821, 55768), (3224, 48797), (5642, 27884), (6971, 22568), (11284, 13942)]