31481684

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{8527}}^1$

素因数の和:8615

約数の個数: 24

約数和(自身を含む): 60173568

約数和(自身を除く): 28691884

約数列:

[1, 2, 4, 13, 26, 52, 71, 142, 284, 923, 1846, 3692, 8527, 17054, 34108, 110851, 221702, 443404, 605417, 1210834, 2421668, 7870421, 15740842, 31481684]

約数ペア:

[(1, 31481684), (2, 15740842), (4, 7870421), (13, 2421668), (26, 1210834), (52, 605417), (71, 443404), (142, 221702), (284, 110851), (923, 34108), (1846, 17054), (3692, 8527)]