207978512

素因数分解:

$2^4\times 7^1\times {\mathrm{23}}^1\times {\mathrm{80737}}^1$

素因数の和:80775

約数の個数: 40

約数和(自身を含む): 480552576

約数和(自身を除く): 272574064

約数列:

[1, 2, 4, 7, 8, 14, 16, 23, 28, 46, 56, 92, 112, 161, 184, 322, 368, 644, 1288, 2576, 80737, 161474, 322948, 565159, 645896, 1130318, 1291792, 1856951, 2260636, 3713902, 4521272, 7427804, 9042544, 12998657, 14855608, 25997314, 29711216, 51994628, 103989256, 207978512]

約数ペア:

[(1, 207978512), (2, 103989256), (4, 51994628), (7, 29711216), (8, 25997314), (14, 14855608), (16, 12998657), (23, 9042544), (28, 7427804), (46, 4521272), (56, 3713902), (92, 2260636), (112, 1856951), (161, 1291792), (184, 1130318), (322, 645896), (368, 565159), (644, 322948), (1288, 161474), (2576, 80737)]