81774796

素因数分解:

$2^2\times {\mathrm{79}}^1\times {\mathrm{251}}^1\times {\mathrm{1031}}^1$

素因数の和:1365

約数の個数: 24

約数和(自身を含む): 145635840

約数和(自身を除く): 63861044

約数列:

[1, 2, 4, 79, 158, 251, 316, 502, 1004, 1031, 2062, 4124, 19829, 39658, 79316, 81449, 162898, 258781, 325796, 517562, 1035124, 20443699, 40887398, 81774796]

約数ペア:

[(1, 81774796), (2, 40887398), (4, 20443699), (79, 1035124), (158, 517562), (251, 325796), (316, 258781), (502, 162898), (1004, 81449), (1031, 79316), (2062, 39658), (4124, 19829)]