1539564

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{139}}^1$

素因数の和:230

約数の個数: 48

約数和(自身を含む): 3951360

約数和(自身を除く): 2411796

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 71, 78, 139, 142, 156, 213, 278, 284, 417, 426, 556, 834, 852, 923, 1668, 1807, 1846, 2769, 3614, 3692, 5421, 5538, 7228, 9869, 10842, 11076, 19738, 21684, 29607, 39476, 59214, 118428, 128297, 256594, 384891, 513188, 769782, 1539564]

約数ペア:

[(1, 1539564), (2, 769782), (3, 513188), (4, 384891), (6, 256594), (12, 128297), (13, 118428), (26, 59214), (39, 39476), (52, 29607), (71, 21684), (78, 19738), (139, 11076), (142, 10842), (156, 9869), (213, 7228), (278, 5538), (284, 5421), (417, 3692), (426, 3614), (556, 2769), (834, 1846), (852, 1807), (923, 1668)]