1388971934

素因数分解:

$2^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{20161}}^1$

素因数の和:20233

約数の個数: 48

約数和(自身を含む): 2620253520

約数和(自身を除く): 1231281586

約数列:

[1, 2, 7, 14, 19, 37, 38, 49, 74, 98, 133, 259, 266, 518, 703, 931, 1406, 1813, 1862, 3626, 4921, 9842, 20161, 34447, 40322, 68894, 141127, 282254, 383059, 745957, 766118, 987889, 1491914, 1975778, 2681413, 5221699, 5362826, 10443398, 14173183, 18769891, 28346366, 36551893, 37539782, 73103786, 99212281, 198424562, 694485967, 1388971934]

約数ペア:

[(1, 1388971934), (2, 694485967), (7, 198424562), (14, 99212281), (19, 73103786), (37, 37539782), (38, 36551893), (49, 28346366), (74, 18769891), (98, 14173183), (133, 10443398), (259, 5362826), (266, 5221699), (518, 2681413), (703, 1975778), (931, 1491914), (1406, 987889), (1813, 766118), (1862, 745957), (3626, 383059), (4921, 282254), (9842, 141127), (20161, 68894), (34447, 40322)]