90329690

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{389}}^1\times {\mathrm{2111}}^1$

素因数の和:2518

約数の個数: 32

約数和(自身を含む): 177914880

約数和(自身を除く): 87585190

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 389, 778, 1945, 2111, 3890, 4222, 4279, 8558, 10555, 21110, 21395, 23221, 42790, 46442, 116105, 232210, 821179, 1642358, 4105895, 8211790, 9032969, 18065938, 45164845, 90329690]

約数ペア:

[(1, 90329690), (2, 45164845), (5, 18065938), (10, 9032969), (11, 8211790), (22, 4105895), (55, 1642358), (110, 821179), (389, 232210), (778, 116105), (1945, 46442), (2111, 42790), (3890, 23221), (4222, 21395), (4279, 21110), (8558, 10555)]