256490305

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{229}}^1\times {\mathrm{13177}}^1$

素因数の和:13428

約数の個数: 16

約数和(自身を含む): 327341520

約数和(自身を除く): 70851215

約数列:

[1, 5, 17, 85, 229, 1145, 3893, 13177, 19465, 65885, 224009, 1120045, 3017533, 15087665, 51298061, 256490305]

約数ペア:

[(1, 256490305), (5, 51298061), (17, 15087665), (85, 3017533), (229, 1120045), (1145, 224009), (3893, 65885), (13177, 19465)]