28405292

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{379}}^1\times {\mathrm{457}}^1$

素因数の和:881

約数の個数: 24

約数和(自身を含む): 51167760

約数和(自身を除く): 22762468

約数列:

[1, 2, 4, 41, 82, 164, 379, 457, 758, 914, 1516, 1828, 15539, 18737, 31078, 37474, 62156, 74948, 173203, 346406, 692812, 7101323, 14202646, 28405292]

約数ペア:

[(1, 28405292), (2, 14202646), (4, 7101323), (41, 692812), (82, 346406), (164, 173203), (379, 74948), (457, 62156), (758, 37474), (914, 31078), (1516, 18737), (1828, 15539)]