256788

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{1019}}^1$

素因数の和:1036

約数の個数: 36

約数和(自身を含む): 742560

約数和(自身を除く): 485772

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 1019, 2038, 3057, 4076, 6114, 7133, 9171, 12228, 14266, 18342, 21399, 28532, 36684, 42798, 64197, 85596, 128394, 256788]

約数ペア:

[(1, 256788), (2, 128394), (3, 85596), (4, 64197), (6, 42798), (7, 36684), (9, 28532), (12, 21399), (14, 18342), (18, 14266), (21, 12228), (28, 9171), (36, 7133), (42, 6114), (63, 4076), (84, 3057), (126, 2038), (252, 1019)]