31502718

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{2207}}^1$

素因数の和:2289

約数の個数: 48

約数和(自身を含む): 74745216

約数和(自身を除く): 43242498

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 61, 78, 117, 122, 183, 234, 366, 549, 793, 1098, 1586, 2207, 2379, 4414, 4758, 6621, 7137, 13242, 14274, 19863, 28691, 39726, 57382, 86073, 134627, 172146, 258219, 269254, 403881, 516438, 807762, 1211643, 1750151, 2423286, 3500302, 5250453, 10500906, 15751359, 31502718]

約数ペア:

[(1, 31502718), (2, 15751359), (3, 10500906), (6, 5250453), (9, 3500302), (13, 2423286), (18, 1750151), (26, 1211643), (39, 807762), (61, 516438), (78, 403881), (117, 269254), (122, 258219), (183, 172146), (234, 134627), (366, 86073), (549, 57382), (793, 39726), (1098, 28691), (1586, 19863), (2207, 14274), (2379, 13242), (4414, 7137), (4758, 6621)]