261603426

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{227}}^1\times {\mathrm{1193}}^1$

素因数の和:1455

約数の個数: 64

約数和(自身を含む): 627222528

約数和(自身を除く): 365619102

約数列:

[1, 2, 3, 6, 7, 14, 21, 23, 42, 46, 69, 138, 161, 227, 322, 454, 483, 681, 966, 1193, 1362, 1589, 2386, 3178, 3579, 4767, 5221, 7158, 8351, 9534, 10442, 15663, 16702, 25053, 27439, 31326, 36547, 50106, 54878, 73094, 82317, 109641, 164634, 192073, 219282, 270811, 384146, 541622, 576219, 812433, 1152438, 1624866, 1895677, 3791354, 5687031, 6228653, 11374062, 12457306, 18685959, 37371918, 43600571, 87201142, 130801713, 261603426]

約数ペア:

[(1, 261603426), (2, 130801713), (3, 87201142), (6, 43600571), (7, 37371918), (14, 18685959), (21, 12457306), (23, 11374062), (42, 6228653), (46, 5687031), (69, 3791354), (138, 1895677), (161, 1624866), (227, 1152438), (322, 812433), (454, 576219), (483, 541622), (681, 384146), (966, 270811), (1193, 219282), (1362, 192073), (1589, 164634), (2386, 109641), (3178, 82317), (3579, 73094), (4767, 54878), (5221, 50106), (7158, 36547), (8351, 31326), (9534, 27439), (10442, 25053), (15663, 16702)]