30978610

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{7687}}^1$

素因数の和:7738

約数の個数: 32

約数和(自身を含む): 61996032

約数和(自身を除く): 31017422

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 310, 403, 806, 2015, 4030, 7687, 15374, 38435, 76870, 99931, 199862, 238297, 476594, 499655, 999310, 1191485, 2382970, 3097861, 6195722, 15489305, 30978610]

約数ペア:

[(1, 30978610), (2, 15489305), (5, 6195722), (10, 3097861), (13, 2382970), (26, 1191485), (31, 999310), (62, 499655), (65, 476594), (130, 238297), (155, 199862), (310, 99931), (403, 76870), (806, 38435), (2015, 15374), (4030, 7687)]