838587490

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{222437}}^1$

素因数の和:222486

約数の個数: 32

約数和(自身を含む): 1681631280

約数和(自身を除く): 843043790

約数列:

[1, 2, 5, 10, 13, 26, 29, 58, 65, 130, 145, 290, 377, 754, 1885, 3770, 222437, 444874, 1112185, 2224370, 2891681, 5783362, 6450673, 12901346, 14458405, 28916810, 32253365, 64506730, 83858749, 167717498, 419293745, 838587490]

約数ペア:

[(1, 838587490), (2, 419293745), (5, 167717498), (10, 83858749), (13, 64506730), (26, 32253365), (29, 28916810), (58, 14458405), (65, 12901346), (130, 6450673), (145, 5783362), (290, 2891681), (377, 2224370), (754, 1112185), (1885, 444874), (3770, 222437)]