12971255

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{13873}}^1$

素因数の和:13906

約数の個数: 16

約数和(自身を含む): 17980704

約数和(自身を除く): 5009449

約数列:

[1, 5, 11, 17, 55, 85, 187, 935, 13873, 69365, 152603, 235841, 763015, 1179205, 2594251, 12971255]

約数ペア:

[(1, 12971255), (5, 2594251), (11, 1179205), (17, 763015), (55, 235841), (85, 152603), (187, 69365), (935, 13873)]