31185688

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{199}}^1\times {\mathrm{1031}}^1$

素因数の和:1255

約数の個数: 32

約数和(自身を含む): 61920000

約数和(自身を除く): 30734312

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 199, 398, 796, 1031, 1592, 2062, 3781, 4124, 7562, 8248, 15124, 19589, 30248, 39178, 78356, 156712, 205169, 410338, 820676, 1641352, 3898211, 7796422, 15592844, 31185688]

約数ペア:

[(1, 31185688), (2, 15592844), (4, 7796422), (8, 3898211), (19, 1641352), (38, 820676), (76, 410338), (152, 205169), (199, 156712), (398, 78356), (796, 39178), (1031, 30248), (1592, 19589), (2062, 15124), (3781, 8248), (4124, 7562)]