639996238

素因数分解:

$2^1\times 7^1\times {\mathrm{2063}}^1\times {\mathrm{22159}}^1$

素因数の和:24231

約数の個数: 16

約数和(自身を含む): 1097717760

約数和(自身を除く): 457721522

約数列:

[1, 2, 7, 14, 2063, 4126, 14441, 22159, 28882, 44318, 155113, 310226, 45714017, 91428034, 319998119, 639996238]

約数ペア:

[(1, 639996238), (2, 319998119), (7, 91428034), (14, 45714017), (2063, 310226), (4126, 155113), (14441, 44318), (22159, 28882)]