87149072

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{320401}}^1$

素因数の和:320426

約数の個数: 20

約数和(自身を含む): 178784316

約数和(自身を除く): 91635244

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 320401, 640802, 1281604, 2563208, 5126416, 5446817, 10893634, 21787268, 43574536, 87149072]

約数ペア:

[(1, 87149072), (2, 43574536), (4, 21787268), (8, 10893634), (16, 5446817), (17, 5126416), (34, 2563208), (68, 1281604), (136, 640802), (272, 320401)]