639587802

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{139709}}^1$

素因数の和:139830

約数の個数: 32

約数和(自身を含む): 1475337600

約数和(自身を除く): 835749798

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 109, 218, 327, 654, 763, 1526, 2289, 4578, 139709, 279418, 419127, 838254, 977963, 1955926, 2933889, 5867778, 15228281, 30456562, 45684843, 91369686, 106597967, 213195934, 319793901, 639587802]

約数ペア:

[(1, 639587802), (2, 319793901), (3, 213195934), (6, 106597967), (7, 91369686), (14, 45684843), (21, 30456562), (42, 15228281), (109, 5867778), (218, 2933889), (327, 1955926), (654, 977963), (763, 838254), (1526, 419127), (2289, 279418), (4578, 139709)]