639609816

素因数分解:

$2^3\times 3^1\times {\mathrm{26650409}}^1$

素因数の和:26650418

約数の個数: 16

約数和(自身を含む): 1599024600

約数和(自身を除く): 959414784

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 26650409, 53300818, 79951227, 106601636, 159902454, 213203272, 319804908, 639609816]

約数ペア:

[(1, 639609816), (2, 319804908), (3, 213203272), (4, 159902454), (6, 106601636), (8, 79951227), (12, 53300818), (24, 26650409)]