31881234

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{151}}^1\times {\mathrm{457}}^1$

素因数の和:631

約数の個数: 64

約数和(自身を含む): 80197632

約数和(自身を除く): 48316398

約数列:

[1, 2, 3, 6, 7, 11, 14, 21, 22, 33, 42, 66, 77, 151, 154, 231, 302, 453, 457, 462, 906, 914, 1057, 1371, 1661, 2114, 2742, 3171, 3199, 3322, 4983, 5027, 6342, 6398, 9597, 9966, 10054, 11627, 15081, 19194, 23254, 30162, 34881, 35189, 69007, 69762, 70378, 105567, 138014, 207021, 211134, 414042, 483049, 759077, 966098, 1449147, 1518154, 2277231, 2898294, 4554462, 5313539, 10627078, 15940617, 31881234]

約数ペア:

[(1, 31881234), (2, 15940617), (3, 10627078), (6, 5313539), (7, 4554462), (11, 2898294), (14, 2277231), (21, 1518154), (22, 1449147), (33, 966098), (42, 759077), (66, 483049), (77, 414042), (151, 211134), (154, 207021), (231, 138014), (302, 105567), (453, 70378), (457, 69762), (462, 69007), (906, 35189), (914, 34881), (1057, 30162), (1371, 23254), (1661, 19194), (2114, 15081), (2742, 11627), (3171, 10054), (3199, 9966), (3322, 9597), (4983, 6398), (5027, 6342)]