28853110

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{20177}}^1$

素因数の和:20208

約数の個数: 32

約数和(自身を含む): 61018272

約数和(自身を除く): 32165162

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 55, 65, 110, 130, 143, 286, 715, 1430, 20177, 40354, 100885, 201770, 221947, 262301, 443894, 524602, 1109735, 1311505, 2219470, 2623010, 2885311, 5770622, 14426555, 28853110]

約数ペア:

[(1, 28853110), (2, 14426555), (5, 5770622), (10, 2885311), (11, 2623010), (13, 2219470), (22, 1311505), (26, 1109735), (55, 524602), (65, 443894), (110, 262301), (130, 221947), (143, 201770), (286, 100885), (715, 40354), (1430, 20177)]