31831998

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{6793}}^1$

素因数の和:6880

約数の個数: 32

約数和(自身を含む): 70440192

約数和(自身を除く): 38608194

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 71, 142, 213, 426, 781, 1562, 2343, 4686, 6793, 13586, 20379, 40758, 74723, 149446, 224169, 448338, 482303, 964606, 1446909, 2893818, 5305333, 10610666, 15915999, 31831998]

約数ペア:

[(1, 31831998), (2, 15915999), (3, 10610666), (6, 5305333), (11, 2893818), (22, 1446909), (33, 964606), (66, 482303), (71, 448338), (142, 224169), (213, 149446), (426, 74723), (781, 40758), (1562, 20379), (2343, 13586), (4686, 6793)]