16618615

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{71}}^1\times {\mathrm{277}}^1$

素因数の和:379

約数の個数: 24

約数和(自身を含む): 21977568

約数和(自身を除く): 5358953

約数列:

[1, 5, 13, 65, 71, 169, 277, 355, 845, 923, 1385, 3601, 4615, 11999, 18005, 19667, 46813, 59995, 98335, 234065, 255671, 1278355, 3323723, 16618615]

約数ペア:

[(1, 16618615), (5, 3323723), (13, 1278355), (65, 255671), (71, 234065), (169, 98335), (277, 59995), (355, 46813), (845, 19667), (923, 18005), (1385, 11999), (3601, 4615)]