31551130

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{8369}}^1$

素因数の和:8418

約数の個数: 32

約数和(自身を含む): 63277200

約数和(自身を除く): 31726070

約数列:

[1, 2, 5, 10, 13, 26, 29, 58, 65, 130, 145, 290, 377, 754, 1885, 3770, 8369, 16738, 41845, 83690, 108797, 217594, 242701, 485402, 543985, 1087970, 1213505, 2427010, 3155113, 6310226, 15775565, 31551130]

約数ペア:

[(1, 31551130), (2, 15775565), (5, 6310226), (10, 3155113), (13, 2427010), (26, 1213505), (29, 1087970), (58, 543985), (65, 485402), (130, 242701), (145, 217594), (290, 108797), (377, 83690), (754, 41845), (1885, 16738), (3770, 8369)]