12724975

素因数分解:

$5^2\times {\mathrm{67}}^1\times {\mathrm{71}}^1\times {\mathrm{107}}^1$

素因数の和:255

約数の個数: 24

約数和(自身を含む): 16391808

約数和(自身を除く): 3666833

約数列:

[1, 5, 25, 67, 71, 107, 335, 355, 535, 1675, 1775, 2675, 4757, 7169, 7597, 23785, 35845, 37985, 118925, 179225, 189925, 508999, 2544995, 12724975]

約数ペア:

[(1, 12724975), (5, 2544995), (25, 508999), (67, 189925), (71, 179225), (107, 118925), (335, 37985), (355, 35845), (535, 23785), (1675, 7597), (1775, 7169), (2675, 4757)]