8909965

素因数分解:

$5^1\times {\mathrm{61}}^1\times {\mathrm{131}}^1\times {\mathrm{223}}^1$

素因数の和:420

約数の個数: 16

約数和(自身を含む): 10999296

約数和(自身を除く): 2089331

約数列:

[1, 5, 61, 131, 223, 305, 655, 1115, 7991, 13603, 29213, 39955, 68015, 146065, 1781993, 8909965]

約数ペア:

[(1, 8909965), (5, 1781993), (61, 146065), (131, 68015), (223, 39955), (305, 29213), (655, 13603), (1115, 7991)]