72416515

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{19813}}^1$

素因数の和:19878

約数の個数: 16

約数和(自身を含む): 94156128

約数和(自身を除く): 21739613

約数列:

[1, 5, 17, 43, 85, 215, 731, 3655, 19813, 99065, 336821, 851959, 1684105, 4259795, 14483303, 72416515]

約数ペア:

[(1, 72416515), (5, 14483303), (17, 4259795), (43, 1684105), (85, 851959), (215, 336821), (731, 99065), (3655, 19813)]