405253914

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{349}}^1\times {\mathrm{14887}}^1$

素因数の和:15254

約数の個数: 32

約数和(自身を含む): 875414400

約数和(自身を除く): 470160486

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 349, 698, 1047, 2094, 4537, 9074, 13611, 14887, 27222, 29774, 44661, 89322, 193531, 387062, 580593, 1161186, 5195563, 10391126, 15586689, 31173378, 67542319, 135084638, 202626957, 405253914]

約数ペア:

[(1, 405253914), (2, 202626957), (3, 135084638), (6, 67542319), (13, 31173378), (26, 15586689), (39, 10391126), (78, 5195563), (349, 1161186), (698, 580593), (1047, 387062), (2094, 193531), (4537, 89322), (9074, 44661), (13611, 29774), (14887, 27222)]