280688538

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{25889}}^1$

素因数の和:26046

約数の個数: 32

約数和(自身を含む): 608932800

約数和(自身を除く): 328244262

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 139, 278, 417, 834, 1807, 3614, 5421, 10842, 25889, 51778, 77667, 155334, 336557, 673114, 1009671, 2019342, 3598571, 7197142, 10795713, 21591426, 46781423, 93562846, 140344269, 280688538]

約数ペア:

[(1, 280688538), (2, 140344269), (3, 93562846), (6, 46781423), (13, 21591426), (26, 10795713), (39, 7197142), (78, 3598571), (139, 2019342), (278, 1009671), (417, 673114), (834, 336557), (1807, 155334), (3614, 77667), (5421, 51778), (10842, 25889)]