257972052

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{127}}^1\times {\mathrm{449}}^1$

素因数の和:625

約数の個数: 96

約数和(自身を含む): 677376000

約数和(自身を除く): 419403948

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 29, 39, 52, 58, 78, 87, 116, 127, 156, 174, 254, 348, 377, 381, 449, 508, 754, 762, 898, 1131, 1347, 1508, 1524, 1651, 1796, 2262, 2694, 3302, 3683, 4524, 4953, 5388, 5837, 6604, 7366, 9906, 11049, 11674, 13021, 14732, 17511, 19812, 22098, 23348, 26042, 35022, 39063, 44196, 47879, 52084, 57023, 70044, 78126, 95758, 114046, 143637, 156252, 169273, 171069, 191516, 228092, 287274, 338546, 342138, 507819, 574548, 677092, 684276, 741299, 1015638, 1482598, 1653667, 2031276, 2223897, 2965196, 3307334, 4447794, 4961001, 6614668, 8895588, 9922002, 19844004, 21497671, 42995342, 64493013, 85990684, 128986026, 257972052]

約数ペア:

[(1, 257972052), (2, 128986026), (3, 85990684), (4, 64493013), (6, 42995342), (12, 21497671), (13, 19844004), (26, 9922002), (29, 8895588), (39, 6614668), (52, 4961001), (58, 4447794), (78, 3307334), (87, 2965196), (116, 2223897), (127, 2031276), (156, 1653667), (174, 1482598), (254, 1015638), (348, 741299), (377, 684276), (381, 677092), (449, 574548), (508, 507819), (754, 342138), (762, 338546), (898, 287274), (1131, 228092), (1347, 191516), (1508, 171069), (1524, 169273), (1651, 156252), (1796, 143637), (2262, 114046), (2694, 95758), (3302, 78126), (3683, 70044), (4524, 57023), (4953, 52084), (5388, 47879), (5837, 44196), (6604, 39063), (7366, 35022), (9906, 26042), (11049, 23348), (11674, 22098), (13021, 19812), (14732, 17511)]