28949746

素因数分解:

$2^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{109}}^1\times {\mathrm{311}}^1$

素因数の和:490

約数の個数: 32

約数和(自身を含む): 51068160

約数和(自身を除く): 22118414

約数列:

[1, 2, 7, 14, 61, 109, 122, 218, 311, 427, 622, 763, 854, 1526, 2177, 4354, 6649, 13298, 18971, 33899, 37942, 46543, 67798, 93086, 132797, 237293, 265594, 474586, 2067839, 4135678, 14474873, 28949746]

約数ペア:

[(1, 28949746), (2, 14474873), (7, 4135678), (14, 2067839), (61, 474586), (109, 265594), (122, 237293), (218, 132797), (311, 93086), (427, 67798), (622, 46543), (763, 37942), (854, 33899), (1526, 18971), (2177, 13298), (4354, 6649)]