128460208

素因数分解:

$2^4\times {\mathrm{113}}^1\times {\mathrm{227}}^1\times {\mathrm{313}}^1$

素因数の和:661

約数の個数: 40

約数和(自身を含む): 253006128

約数和(自身を除く): 124545920

約数列:

[1, 2, 4, 8, 16, 113, 226, 227, 313, 452, 454, 626, 904, 908, 1252, 1808, 1816, 2504, 3632, 5008, 25651, 35369, 51302, 70738, 71051, 102604, 141476, 142102, 205208, 282952, 284204, 410416, 565904, 568408, 1136816, 8028763, 16057526, 32115052, 64230104, 128460208]

約数ペア:

[(1, 128460208), (2, 64230104), (4, 32115052), (8, 16057526), (16, 8028763), (113, 1136816), (226, 568408), (227, 565904), (313, 410416), (452, 284204), (454, 282952), (626, 205208), (904, 142102), (908, 141476), (1252, 102604), (1808, 71051), (1816, 70738), (2504, 51302), (3632, 35369), (5008, 25651)]