139438468

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{109}}^1\times {\mathrm{337}}^1$

素因数の和:536

約数の個数: 48

約数和(自身を含む): 269629360

約数和(自身を除く): 130190892

約数列:

[1, 2, 4, 13, 26, 52, 73, 109, 146, 218, 292, 337, 436, 674, 949, 1348, 1417, 1898, 2834, 3796, 4381, 5668, 7957, 8762, 15914, 17524, 24601, 31828, 36733, 49202, 73466, 98404, 103441, 146932, 206882, 319813, 413764, 477529, 639626, 955058, 1279252, 1910116, 2681509, 5363018, 10726036, 34859617, 69719234, 139438468]

約数ペア:

[(1, 139438468), (2, 69719234), (4, 34859617), (13, 10726036), (26, 5363018), (52, 2681509), (73, 1910116), (109, 1279252), (146, 955058), (218, 639626), (292, 477529), (337, 413764), (436, 319813), (674, 206882), (949, 146932), (1348, 103441), (1417, 98404), (1898, 73466), (2834, 49202), (3796, 36733), (4381, 31828), (5668, 24601), (7957, 17524), (8762, 15914)]