39989456

素因数分解:

$2^4\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{643}}^1$

素因数の和:700

約数の個数: 60

約数和(自身を含む): 87681888

約数和(自身を除く): 47692432

約数列:

[1, 2, 4, 8, 13, 16, 23, 26, 46, 52, 92, 104, 169, 184, 208, 299, 338, 368, 598, 643, 676, 1196, 1286, 1352, 2392, 2572, 2704, 3887, 4784, 5144, 7774, 8359, 10288, 14789, 15548, 16718, 29578, 31096, 33436, 59156, 62192, 66872, 108667, 118312, 133744, 192257, 217334, 236624, 384514, 434668, 769028, 869336, 1538056, 1738672, 2499341, 3076112, 4998682, 9997364, 19994728, 39989456]

約数ペア:

[(1, 39989456), (2, 19994728), (4, 9997364), (8, 4998682), (13, 3076112), (16, 2499341), (23, 1738672), (26, 1538056), (46, 869336), (52, 769028), (92, 434668), (104, 384514), (169, 236624), (184, 217334), (208, 192257), (299, 133744), (338, 118312), (368, 108667), (598, 66872), (643, 62192), (676, 59156), (1196, 33436), (1286, 31096), (1352, 29578), (2392, 16718), (2572, 15548), (2704, 14789), (3887, 10288), (4784, 8359), (5144, 7774)]