617665

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{131}}^1$

素因数の和:200

約数の個数: 16

約数和(自身を含む): 798336

約数和(自身を除く): 180671

約数列:

[1, 5, 23, 41, 115, 131, 205, 655, 943, 3013, 4715, 5371, 15065, 26855, 123533, 617665]

約数ペア:

[(1, 617665), (5, 123533), (23, 26855), (41, 15065), (115, 5371), (131, 4715), (205, 3013), (655, 943)]