56223505

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{41}}^1\times {\mathrm{73}}^1$

素因数の和:166

約数の個数: 48

約数和(自身を含む): 80149104

約数和(自身を除く): 23925599

約数列:

[1, 5, 13, 17, 41, 65, 73, 85, 205, 221, 289, 365, 533, 697, 949, 1105, 1241, 1445, 2665, 2993, 3485, 3757, 4745, 6205, 9061, 11849, 14965, 16133, 18785, 21097, 38909, 45305, 50881, 59245, 80665, 105485, 154037, 194545, 254405, 274261, 661453, 770185, 864977, 1371305, 3307265, 4324885, 11244701, 56223505]

約数ペア:

[(1, 56223505), (5, 11244701), (13, 4324885), (17, 3307265), (41, 1371305), (65, 864977), (73, 770185), (85, 661453), (205, 274261), (221, 254405), (289, 194545), (365, 154037), (533, 105485), (697, 80665), (949, 59245), (1105, 50881), (1241, 45305), (1445, 38909), (2665, 21097), (2993, 18785), (3485, 16133), (3757, 14965), (4745, 11849), (6205, 9061)]