31551676

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{23}}^2\times {\mathrm{31}}^1\times {\mathrm{37}}^1$

素因数の和:131

約数の個数: 72

約数和(自身を含む): 65899904

約数和(自身を除く): 34348228

約数列:

[1, 2, 4, 13, 23, 26, 31, 37, 46, 52, 62, 74, 92, 124, 148, 299, 403, 481, 529, 598, 713, 806, 851, 962, 1058, 1147, 1196, 1426, 1612, 1702, 1924, 2116, 2294, 2852, 3404, 4588, 6877, 9269, 11063, 13754, 14911, 16399, 18538, 19573, 22126, 26381, 27508, 29822, 32798, 37076, 39146, 44252, 52762, 59644, 65596, 78292, 105524, 213187, 254449, 342953, 426374, 508898, 606763, 685906, 852748, 1017796, 1213526, 1371812, 2427052, 7887919, 15775838, 31551676]

約数ペア:

[(1, 31551676), (2, 15775838), (4, 7887919), (13, 2427052), (23, 1371812), (26, 1213526), (31, 1017796), (37, 852748), (46, 685906), (52, 606763), (62, 508898), (74, 426374), (92, 342953), (124, 254449), (148, 213187), (299, 105524), (403, 78292), (481, 65596), (529, 59644), (598, 52762), (713, 44252), (806, 39146), (851, 37076), (962, 32798), (1058, 29822), (1147, 27508), (1196, 26381), (1426, 22126), (1612, 19573), (1702, 18538), (1924, 16399), (2116, 14911), (2294, 13754), (2852, 11063), (3404, 9269), (4588, 6877)]