781398044

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{19891}}^1$

素因数の和:19986

約数の個数: 48

約数和(自身を含む): 1657560576

約数和(自身を除く): 876162532

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 61, 92, 122, 161, 244, 322, 427, 644, 854, 1403, 1708, 2806, 5612, 9821, 19642, 19891, 39284, 39782, 79564, 139237, 278474, 457493, 556948, 914986, 1213351, 1829972, 2426702, 3202451, 4853404, 6404902, 8493457, 12809804, 16986914, 27907073, 33973828, 55814146, 111628292, 195349511, 390699022, 781398044]

約数ペア:

[(1, 781398044), (2, 390699022), (4, 195349511), (7, 111628292), (14, 55814146), (23, 33973828), (28, 27907073), (46, 16986914), (61, 12809804), (92, 8493457), (122, 6404902), (161, 4853404), (244, 3202451), (322, 2426702), (427, 1829972), (644, 1213351), (854, 914986), (1403, 556948), (1708, 457493), (2806, 278474), (5612, 139237), (9821, 79564), (19642, 39782), (19891, 39284)]