31386544

素因数分解:

$2^4\times 7^1\times {\mathrm{71}}^1\times {\mathrm{3947}}^1$

素因数の和:4033

約数の個数: 40

約数和(自身を含む): 70495488

約数和(自身を除く): 39108944

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 71, 112, 142, 284, 497, 568, 994, 1136, 1988, 3947, 3976, 7894, 7952, 15788, 27629, 31576, 55258, 63152, 110516, 221032, 280237, 442064, 560474, 1120948, 1961659, 2241896, 3923318, 4483792, 7846636, 15693272, 31386544]

約数ペア:

[(1, 31386544), (2, 15693272), (4, 7846636), (7, 4483792), (8, 3923318), (14, 2241896), (16, 1961659), (28, 1120948), (56, 560474), (71, 442064), (112, 280237), (142, 221032), (284, 110516), (497, 63152), (568, 55258), (994, 31576), (1136, 27629), (1988, 15788), (3947, 7952), (3976, 7894)]