259396592

素因数分解:

$2^4\times 7^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{821}}^1$

素因数の和:887

約数の個数: 120

約数和(自身を含む): 650708352

約数和(自身を除く): 391311760

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 31, 49, 52, 56, 62, 91, 98, 104, 112, 124, 182, 196, 208, 217, 248, 364, 392, 403, 434, 496, 637, 728, 784, 806, 821, 868, 1274, 1456, 1519, 1612, 1642, 1736, 2548, 2821, 3038, 3224, 3284, 3472, 5096, 5642, 5747, 6076, 6448, 6568, 10192, 10673, 11284, 11494, 12152, 13136, 19747, 21346, 22568, 22988, 24304, 25451, 39494, 40229, 42692, 45136, 45976, 50902, 74711, 78988, 80458, 85384, 91952, 101804, 149422, 157976, 160916, 170768, 178157, 203608, 298844, 315952, 321832, 330863, 356314, 407216, 522977, 597688, 643664, 661726, 712628, 1045954, 1195376, 1247099, 1323452, 1425256, 2091908, 2316041, 2494198, 2646904, 2850512, 4183816, 4632082, 4988396, 5293808, 8367632, 9264164, 9976792, 16212287, 18528328, 19953584, 32424574, 37056656, 64849148, 129698296, 259396592]

約数ペア:

[(1, 259396592), (2, 129698296), (4, 64849148), (7, 37056656), (8, 32424574), (13, 19953584), (14, 18528328), (16, 16212287), (26, 9976792), (28, 9264164), (31, 8367632), (49, 5293808), (52, 4988396), (56, 4632082), (62, 4183816), (91, 2850512), (98, 2646904), (104, 2494198), (112, 2316041), (124, 2091908), (182, 1425256), (196, 1323452), (208, 1247099), (217, 1195376), (248, 1045954), (364, 712628), (392, 661726), (403, 643664), (434, 597688), (496, 522977), (637, 407216), (728, 356314), (784, 330863), (806, 321832), (821, 315952), (868, 298844), (1274, 203608), (1456, 178157), (1519, 170768), (1612, 160916), (1642, 157976), (1736, 149422), (2548, 101804), (2821, 91952), (3038, 85384), (3224, 80458), (3284, 78988), (3472, 74711), (5096, 50902), (5642, 45976), (5747, 45136), (6076, 42692), (6448, 40229), (6568, 39494), (10192, 25451), (10673, 24304), (11284, 22988), (11494, 22568), (12152, 21346), (13136, 19747)]