87721416

素因数分解:

$2^3\times 3^2\times {\mathrm{61}}^1\times {\mathrm{19973}}^1$

素因数の和:20046

約数の個数: 48

約数和(自身を含む): 241485660

約数和(自身を除く): 153764244

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 61, 72, 122, 183, 244, 366, 488, 549, 732, 1098, 1464, 2196, 4392, 19973, 39946, 59919, 79892, 119838, 159784, 179757, 239676, 359514, 479352, 719028, 1218353, 1438056, 2436706, 3655059, 4873412, 7310118, 9746824, 10965177, 14620236, 21930354, 29240472, 43860708, 87721416]

約数ペア:

[(1, 87721416), (2, 43860708), (3, 29240472), (4, 21930354), (6, 14620236), (8, 10965177), (9, 9746824), (12, 7310118), (18, 4873412), (24, 3655059), (36, 2436706), (61, 1438056), (72, 1218353), (122, 719028), (183, 479352), (244, 359514), (366, 239676), (488, 179757), (549, 159784), (732, 119838), (1098, 79892), (1464, 59919), (2196, 39946), (4392, 19973)]