278326796

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{80071}}^1$

素因数の和:80165

約数の個数: 24

約数和(自身を含む): 538083840

約数和(自身を除く): 259757044

約数列:

[1, 2, 4, 11, 22, 44, 79, 158, 316, 869, 1738, 3476, 80071, 160142, 320284, 880781, 1761562, 3523124, 6325609, 12651218, 25302436, 69581699, 139163398, 278326796]

約数ペア:

[(1, 278326796), (2, 139163398), (4, 69581699), (11, 25302436), (22, 12651218), (44, 6325609), (79, 3523124), (158, 1761562), (316, 880781), (869, 320284), (1738, 160142), (3476, 80071)]