17020475

素因数分解:

$5^2\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{223}}^1$

素因数の和:347

約数の個数: 24

約数和(自身を含む): 21998592

約数和(自身を除く): 4978117

約数列:

[1, 5, 25, 43, 71, 215, 223, 355, 1075, 1115, 1775, 3053, 5575, 9589, 15265, 15833, 47945, 76325, 79165, 239725, 395825, 680819, 3404095, 17020475]

約数ペア:

[(1, 17020475), (5, 3404095), (25, 680819), (43, 395825), (71, 239725), (215, 79165), (223, 76325), (355, 47945), (1075, 15833), (1115, 15265), (1775, 9589), (3053, 5575)]