1389457372

素因数分解:

$2^2\times {\mathrm{79}}^1\times {\mathrm{1489}}^1\times {\mathrm{2953}}^1$

素因数の和:4525

約数の個数: 24

約数和(自身を含む): 2464817600

約数和(自身を除く): 1075360228

約数列:

[1, 2, 4, 79, 158, 316, 1489, 2953, 2978, 5906, 5956, 11812, 117631, 233287, 235262, 466574, 470524, 933148, 4397017, 8794034, 17588068, 347364343, 694728686, 1389457372]

約数ペア:

[(1, 1389457372), (2, 694728686), (4, 347364343), (79, 17588068), (158, 8794034), (316, 4397017), (1489, 933148), (2953, 470524), (2978, 466574), (5906, 235262), (5956, 233287), (11812, 117631)]