64538929

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{1427}}^1$

素因数の和:1525

約数の個数: 24

約数和(自身を含む): 82047168

約数和(自身を除く): 17508239

約数列:

[1, 7, 13, 49, 71, 91, 497, 637, 923, 1427, 3479, 6461, 9989, 18551, 45227, 69923, 101317, 129857, 709219, 908999, 1317121, 4964533, 9219847, 64538929]

約数ペア:

[(1, 64538929), (7, 9219847), (13, 4964533), (49, 1317121), (71, 908999), (91, 709219), (497, 129857), (637, 101317), (923, 69923), (1427, 45227), (3479, 18551), (6461, 9989)]