639957168

素因数分解:

$2^4\times 3^2\times {\mathrm{4444147}}^1$

素因数の和:4444161

約数の個数: 30

約数和(自身を含む): 1790991644

約数和(自身を除く): 1151034476

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 4444147, 8888294, 13332441, 17776588, 26664882, 35553176, 39997323, 53329764, 71106352, 79994646, 106659528, 159989292, 213319056, 319978584, 639957168]

約数ペア:

[(1, 639957168), (2, 319978584), (3, 213319056), (4, 159989292), (6, 106659528), (8, 79994646), (9, 71106352), (12, 53329764), (16, 39997323), (18, 35553176), (24, 26664882), (36, 17776588), (48, 13332441), (72, 8888294), (144, 4444147)]