1251059888

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{137}}^1\times {\mathrm{1021}}^1$

素因数の和:1222

約数の個数: 80

約数和(自身を含む): 2693223456

約数和(自身を除く): 1442163568

約数列:

[1, 2, 4, 8, 13, 16, 26, 43, 52, 86, 104, 137, 172, 208, 274, 344, 548, 559, 688, 1021, 1096, 1118, 1781, 2042, 2192, 2236, 3562, 4084, 4472, 5891, 7124, 8168, 8944, 11782, 13273, 14248, 16336, 23564, 26546, 28496, 43903, 47128, 53092, 76583, 87806, 94256, 106184, 139877, 153166, 175612, 212368, 279754, 306332, 351224, 559508, 570739, 612664, 702448, 1119016, 1141478, 1225328, 1818401, 2238032, 2282956, 3636802, 4565912, 6014711, 7273604, 9131824, 12029422, 14547208, 24058844, 29094416, 48117688, 78191243, 96235376, 156382486, 312764972, 625529944, 1251059888]

約数ペア:

[(1, 1251059888), (2, 625529944), (4, 312764972), (8, 156382486), (13, 96235376), (16, 78191243), (26, 48117688), (43, 29094416), (52, 24058844), (86, 14547208), (104, 12029422), (137, 9131824), (172, 7273604), (208, 6014711), (274, 4565912), (344, 3636802), (548, 2282956), (559, 2238032), (688, 1818401), (1021, 1225328), (1096, 1141478), (1118, 1119016), (1781, 702448), (2042, 612664), (2192, 570739), (2236, 559508), (3562, 351224), (4084, 306332), (4472, 279754), (5891, 212368), (7124, 175612), (8168, 153166), (8944, 139877), (11782, 106184), (13273, 94256), (14248, 87806), (16336, 76583), (23564, 53092), (26546, 47128), (28496, 43903)]