639756522

素因数分解:

$2^1\times 3^3\times {\mathrm{11847343}}^1$

素因数の和:11847354

約数の個数: 16

約数和(自身を含む): 1421681280

約数和(自身を除く): 781924758

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 11847343, 23694686, 35542029, 71084058, 106626087, 213252174, 319878261, 639756522]

約数ペア:

[(1, 639756522), (2, 319878261), (3, 213252174), (6, 106626087), (9, 71084058), (18, 35542029), (27, 23694686), (54, 11847343)]