642742904

素因数分解:

$2^3\times {\mathrm{163}}^1\times {\mathrm{492901}}^1$

素因数の和:493070

約数の個数: 16

約数和(自身を含む): 1212538920

約数和(自身を除く): 569796016

約数列:

[1, 2, 4, 8, 163, 326, 652, 1304, 492901, 985802, 1971604, 3943208, 80342863, 160685726, 321371452, 642742904]

約数ペア:

[(1, 642742904), (2, 321371452), (4, 160685726), (8, 80342863), (163, 3943208), (326, 1971604), (652, 985802), (1304, 492901)]