490699781

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{15527}}^1$

素因数の和:15581

約数の個数: 24

約数和(自身を含む): 613790784

約数和(自身を除く): 123091003

約数列:

[1, 11, 13, 17, 143, 169, 187, 221, 1859, 2431, 2873, 15527, 31603, 170797, 201851, 263959, 2220361, 2624063, 2903549, 3431467, 28864693, 37746137, 44609071, 490699781]

約数ペア:

[(1, 490699781), (11, 44609071), (13, 37746137), (17, 28864693), (143, 3431467), (169, 2903549), (187, 2624063), (221, 2220361), (1859, 263959), (2431, 201851), (2873, 170797), (15527, 31603)]