17761991

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{179}}^1\times {\mathrm{449}}^1$

素因数の和:658

約数の個数: 16

約数和(自身を含む): 20412000

約数和(自身を除く): 2650009

約数列:

[1, 13, 17, 179, 221, 449, 2327, 3043, 5837, 7633, 39559, 80371, 99229, 1044823, 1366307, 17761991]

約数ペア:

[(1, 17761991), (13, 1366307), (17, 1044823), (179, 99229), (221, 80371), (449, 39559), (2327, 7633), (3043, 5837)]