86720216

素因数分解:

$2^3\times {\mathrm{11}}^2\times {\mathrm{101}}^1\times {\mathrm{887}}^1$

素因数の和:1016

約数の個数: 48

約数和(自身を含む): 180699120

約数和(自身を除く): 93978904

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 101, 121, 202, 242, 404, 484, 808, 887, 968, 1111, 1774, 2222, 3548, 4444, 7096, 8888, 9757, 12221, 19514, 24442, 39028, 48884, 78056, 89587, 97768, 107327, 179174, 214654, 358348, 429308, 716696, 858616, 985457, 1970914, 3941828, 7883656, 10840027, 21680054, 43360108, 86720216]

約数ペア:

[(1, 86720216), (2, 43360108), (4, 21680054), (8, 10840027), (11, 7883656), (22, 3941828), (44, 1970914), (88, 985457), (101, 858616), (121, 716696), (202, 429308), (242, 358348), (404, 214654), (484, 179174), (808, 107327), (887, 97768), (968, 89587), (1111, 78056), (1774, 48884), (2222, 39028), (3548, 24442), (4444, 19514), (7096, 12221), (8888, 9757)]