2780452878

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{197}}^1\times {\mathrm{3083}}^1$

素因数の和:3401

約数の個数: 64

約数和(自身を含む): 6448273920

約数和(自身を除く): 3667821042

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 109, 197, 218, 327, 394, 591, 654, 763, 1182, 1379, 1526, 2289, 2758, 3083, 4137, 4578, 6166, 8274, 9249, 18498, 21473, 21581, 42946, 43162, 64419, 64743, 128838, 129486, 150311, 300622, 336047, 450933, 607351, 672094, 901866, 1008141, 1214702, 1822053, 2016282, 2352329, 3644106, 4251457, 4704658, 7056987, 8502914, 12754371, 14113974, 25508742, 66201259, 132402518, 198603777, 397207554, 463408813, 926817626, 1390226439, 2780452878]

約数ペア:

[(1, 2780452878), (2, 1390226439), (3, 926817626), (6, 463408813), (7, 397207554), (14, 198603777), (21, 132402518), (42, 66201259), (109, 25508742), (197, 14113974), (218, 12754371), (327, 8502914), (394, 7056987), (591, 4704658), (654, 4251457), (763, 3644106), (1182, 2352329), (1379, 2016282), (1526, 1822053), (2289, 1214702), (2758, 1008141), (3083, 901866), (4137, 672094), (4578, 607351), (6166, 450933), (8274, 336047), (9249, 300622), (18498, 150311), (21473, 129486), (21581, 128838), (42946, 64743), (43162, 64419)]