42639928

素因数分解:

$2^3\times {\mathrm{107}}^1\times {\mathrm{109}}^1\times {\mathrm{457}}^1$

素因数の和:679

約数の個数: 32

約数和(自身を含む): 81615600

約数和(自身を除く): 38975672

約数列:

[1, 2, 4, 8, 107, 109, 214, 218, 428, 436, 457, 856, 872, 914, 1828, 3656, 11663, 23326, 46652, 48899, 49813, 93304, 97798, 99626, 195596, 199252, 391192, 398504, 5329991, 10659982, 21319964, 42639928]

約数ペア:

[(1, 42639928), (2, 21319964), (4, 10659982), (8, 5329991), (107, 398504), (109, 391192), (214, 199252), (218, 195596), (428, 99626), (436, 97798), (457, 93304), (856, 49813), (872, 48899), (914, 46652), (1828, 23326), (3656, 11663)]