12381245

素因数分解:

$5^1\times {\mathrm{23}}^2\times {\mathrm{31}}^1\times {\mathrm{151}}^1$

素因数の和:233

約数の個数: 24

約数和(自身を含む): 16138752

約数和(自身を除く): 3757507

約数列:

[1, 5, 23, 31, 115, 151, 155, 529, 713, 755, 2645, 3473, 3565, 4681, 16399, 17365, 23405, 79879, 81995, 107663, 399395, 538315, 2476249, 12381245]

約数ペア:

[(1, 12381245), (5, 2476249), (23, 538315), (31, 399395), (115, 107663), (151, 81995), (155, 79879), (529, 23405), (713, 17365), (755, 16399), (2645, 4681), (3473, 3565)]