251569207412

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{2557}}^1\times {\mathrm{6427}}^1$

素因数の和:9120

約数の個数: 48

約数和(自身を含む): 455795081280

約数和(自身を除く): 204225873868

約数列:

[1, 2, 4, 43, 86, 89, 172, 178, 356, 2557, 3827, 5114, 6427, 7654, 10228, 12854, 15308, 25708, 109951, 219902, 227573, 276361, 439804, 455146, 552722, 572003, 910292, 1105444, 1144006, 2288012, 9785639, 16433839, 19571278, 24596129, 32867678, 39142556, 49192258, 65735356, 98384516, 706655077, 1413310154, 1462611671, 2826620308, 2925223342, 5850446684, 62892301853, 125784603706, 251569207412]

約数ペア:

[(1, 251569207412), (2, 125784603706), (4, 62892301853), (43, 5850446684), (86, 2925223342), (89, 2826620308), (172, 1462611671), (178, 1413310154), (356, 706655077), (2557, 98384516), (3827, 65735356), (5114, 49192258), (6427, 39142556), (7654, 32867678), (10228, 24596129), (12854, 19571278), (15308, 16433839), (25708, 9785639), (109951, 2288012), (219902, 1144006), (227573, 1105444), (276361, 910292), (439804, 572003), (455146, 552722)]