283994788

素因数分解:

$2^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{839}}^1$

素因数の和:1025

約数の個数: 72

約数和(自身を含む): 635463360

約数和(自身を除く): 351468572

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 49, 77, 98, 154, 157, 196, 308, 314, 539, 628, 839, 1078, 1099, 1678, 1727, 2156, 2198, 3356, 3454, 4396, 5873, 6908, 7693, 9229, 11746, 12089, 15386, 18458, 23492, 24178, 30772, 36916, 41111, 48356, 64603, 82222, 84623, 129206, 131723, 164444, 169246, 258412, 263446, 338492, 452221, 526892, 904442, 922061, 1448953, 1808884, 1844122, 2897906, 3688244, 5795812, 6454427, 10142671, 12908854, 20285342, 25817708, 40570684, 70998697, 141997394, 283994788]

約数ペア:

[(1, 283994788), (2, 141997394), (4, 70998697), (7, 40570684), (11, 25817708), (14, 20285342), (22, 12908854), (28, 10142671), (44, 6454427), (49, 5795812), (77, 3688244), (98, 2897906), (154, 1844122), (157, 1808884), (196, 1448953), (308, 922061), (314, 904442), (539, 526892), (628, 452221), (839, 338492), (1078, 263446), (1099, 258412), (1678, 169246), (1727, 164444), (2156, 131723), (2198, 129206), (3356, 84623), (3454, 82222), (4396, 64603), (5873, 48356), (6908, 41111), (7693, 36916), (9229, 30772), (11746, 24178), (12089, 23492), (15386, 18458)]