81381692

素因数分解:

$2^2\times 7^1\times {\mathrm{79}}^1\times {\mathrm{36791}}^1$

素因数の和:36881

約数の個数: 24

約数和(自身を含む): 164828160

約数和(自身を除く): 83446468

約数列:

[1, 2, 4, 7, 14, 28, 79, 158, 316, 553, 1106, 2212, 36791, 73582, 147164, 257537, 515074, 1030148, 2906489, 5812978, 11625956, 20345423, 40690846, 81381692]

約数ペア:

[(1, 81381692), (2, 40690846), (4, 20345423), (7, 11625956), (14, 5812978), (28, 2906489), (79, 1030148), (158, 515074), (316, 257537), (553, 147164), (1106, 73582), (2212, 36791)]