40912046

素因数分解:

$2^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1\times {\mathrm{521}}^1$

素因数の和:680

約数の個数: 32

約数和(自身を含む): 72161280

約数和(自身を除く): 31249234

約数列:

[1, 2, 7, 14, 71, 79, 142, 158, 497, 521, 553, 994, 1042, 1106, 3647, 5609, 7294, 11218, 36991, 39263, 41159, 73982, 78526, 82318, 258937, 288113, 517874, 576226, 2922289, 5844578, 20456023, 40912046]

約数ペア:

[(1, 40912046), (2, 20456023), (7, 5844578), (14, 2922289), (71, 576226), (79, 517874), (142, 288113), (158, 258937), (497, 82318), (521, 78526), (553, 73982), (994, 41159), (1042, 39263), (1106, 36991), (3647, 11218), (5609, 7294)]