209501455

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{163}}^1\times {\mathrm{15121}}^1$

素因数の和:15306

約数の個数: 16

約数和(自身を含む): 267840864

約数和(自身を除く): 58339409

約数列:

[1, 5, 17, 85, 163, 815, 2771, 13855, 15121, 75605, 257057, 1285285, 2464723, 12323615, 41900291, 209501455]

約数ペア:

[(1, 209501455), (5, 41900291), (17, 12323615), (85, 2464723), (163, 1285285), (815, 257057), (2771, 75605), (13855, 15121)]