64716358

素因数分解:

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

素因数の和:289

約数の個数: 36

約数和(自身を含む): 115410636

約数和(自身を除く): 50694278

約数列:

[1, 2, 7, 14, 49, 71, 98, 131, 142, 262, 497, 917, 994, 1834, 3479, 5041, 6419, 6958, 9301, 10082, 12838, 18602, 35287, 65107, 70574, 130214, 247009, 455749, 494018, 660371, 911498, 1320742, 4622597, 9245194, 32358179, 64716358]

約数ペア:

[(1, 64716358), (2, 32358179), (7, 9245194), (14, 4622597), (49, 1320742), (71, 911498), (98, 660371), (131, 494018), (142, 455749), (262, 247009), (497, 130214), (917, 70574), (994, 65107), (1834, 35287), (3479, 18602), (5041, 12838), (6419, 10082), (6958, 9301)]