31381574

素因数分解:

$2^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{131}}^1\times {\mathrm{241}}^1$

素因数の和:452

約数の個数: 32

約数和(自身を含む): 55199232

約数和(自身を除く): 23817658

約数列:

[1, 2, 7, 14, 71, 131, 142, 241, 262, 482, 497, 917, 994, 1687, 1834, 3374, 9301, 17111, 18602, 31571, 34222, 63142, 65107, 119777, 130214, 220997, 239554, 441994, 2241541, 4483082, 15690787, 31381574]

約数ペア:

[(1, 31381574), (2, 15690787), (7, 4483082), (14, 2241541), (71, 441994), (131, 239554), (142, 220997), (241, 130214), (262, 119777), (482, 65107), (497, 63142), (917, 34222), (994, 31571), (1687, 18602), (1834, 17111), (3374, 9301)]