90980872

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{157}}^1\times {\mathrm{4261}}^1$

素因数の和:4441

約数の個数: 32

約数和(自身を含む): 181816920

約数和(自身を除く): 90836048

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 157, 314, 628, 1256, 2669, 4261, 5338, 8522, 10676, 17044, 21352, 34088, 72437, 144874, 289748, 579496, 668977, 1337954, 2675908, 5351816, 11372609, 22745218, 45490436, 90980872]

約数ペア:

[(1, 90980872), (2, 45490436), (4, 22745218), (8, 11372609), (17, 5351816), (34, 2675908), (68, 1337954), (136, 668977), (157, 579496), (314, 289748), (628, 144874), (1256, 72437), (2669, 34088), (4261, 21352), (5338, 17044), (8522, 10676)]