31811988

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{3343}}^1$

素因数の和:3424

約数の個数: 48

約数和(自身を含む): 81272576

約数和(自身を除く): 49460588

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 61, 78, 122, 156, 183, 244, 366, 732, 793, 1586, 2379, 3172, 3343, 4758, 6686, 9516, 10029, 13372, 20058, 40116, 43459, 86918, 130377, 173836, 203923, 260754, 407846, 521508, 611769, 815692, 1223538, 2447076, 2650999, 5301998, 7952997, 10603996, 15905994, 31811988]

約数ペア:

[(1, 31811988), (2, 15905994), (3, 10603996), (4, 7952997), (6, 5301998), (12, 2650999), (13, 2447076), (26, 1223538), (39, 815692), (52, 611769), (61, 521508), (78, 407846), (122, 260754), (156, 203923), (183, 173836), (244, 130377), (366, 86918), (732, 43459), (793, 40116), (1586, 20058), (2379, 13372), (3172, 10029), (3343, 9516), (4758, 6686)]