81640202

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{3571}}^1$

素因数の和:3674

約数の個数: 32

約数和(自身を含む): 148137984

約数和(自身を除く): 66497782

約数列:

[1, 2, 7, 14, 23, 46, 71, 142, 161, 322, 497, 994, 1633, 3266, 3571, 7142, 11431, 22862, 24997, 49994, 82133, 164266, 253541, 507082, 574931, 1149862, 1774787, 3549574, 5831443, 11662886, 40820101, 81640202]

約数ペア:

[(1, 81640202), (2, 40820101), (7, 11662886), (14, 5831443), (23, 3549574), (46, 1774787), (71, 1149862), (142, 574931), (161, 507082), (322, 253541), (497, 164266), (994, 82133), (1633, 49994), (3266, 24997), (3571, 22862), (7142, 11431)]