31131272

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{1879}}^1$

素因数の和:2013

約数の個数: 32

約数和(自身を含む): 62040000

約数和(自身を除く): 30908728

約数列:

[1, 2, 4, 8, 19, 38, 76, 109, 152, 218, 436, 872, 1879, 2071, 3758, 4142, 7516, 8284, 15032, 16568, 35701, 71402, 142804, 204811, 285608, 409622, 819244, 1638488, 3891409, 7782818, 15565636, 31131272]

約数ペア:

[(1, 31131272), (2, 15565636), (4, 7782818), (8, 3891409), (19, 1638488), (38, 819244), (76, 409622), (109, 285608), (152, 204811), (218, 142804), (436, 71402), (872, 35701), (1879, 16568), (2071, 15032), (3758, 8284), (4142, 7516)]