220915391

素因数分解:

${\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{251}}^1\times {\mathrm{2251}}^1$

素因数の和:2542

約数の個数: 16

約数和(自身を含む): 245161728

約数和(自身を除く): 24246337

約数列:

[1, 17, 23, 251, 391, 2251, 4267, 5773, 38267, 51773, 98141, 565001, 880141, 9605017, 12995023, 220915391]

約数ペア:

[(1, 220915391), (17, 12995023), (23, 9605017), (251, 880141), (391, 565001), (2251, 98141), (4267, 51773), (5773, 38267)]