1640821292

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{409}}^1\times {\mathrm{1249}}^1$

素因数の和:1746

約数の個数: 48

約数和(自身を含む): 3185700000

約数和(自身を除く): 1544878708

約数列:

[1, 2, 4, 11, 22, 44, 73, 146, 292, 409, 803, 818, 1249, 1606, 1636, 2498, 3212, 4499, 4996, 8998, 13739, 17996, 27478, 29857, 54956, 59714, 91177, 119428, 182354, 328427, 364708, 510841, 656854, 1002947, 1021682, 1313708, 2005894, 2043364, 4011788, 5619251, 11238502, 22477004, 37291393, 74582786, 149165572, 410205323, 820410646, 1640821292]

約数ペア:

[(1, 1640821292), (2, 820410646), (4, 410205323), (11, 149165572), (22, 74582786), (44, 37291393), (73, 22477004), (146, 11238502), (292, 5619251), (409, 4011788), (803, 2043364), (818, 2005894), (1249, 1313708), (1606, 1021682), (1636, 1002947), (2498, 656854), (3212, 510841), (4499, 364708), (4996, 328427), (8998, 182354), (13739, 119428), (17996, 91177), (27478, 59714), (29857, 54956)]