256432995

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{4817}}^1$

素因数の和:4861

約数の個数: 72

約数和(自身を含む): 550177056

約数和(自身を除く): 293744061

約数列:

[1, 3, 5, 7, 9, 13, 15, 21, 35, 39, 45, 63, 65, 91, 105, 117, 169, 195, 273, 315, 455, 507, 585, 819, 845, 1183, 1365, 1521, 2535, 3549, 4095, 4817, 5915, 7605, 10647, 14451, 17745, 24085, 33719, 43353, 53235, 62621, 72255, 101157, 168595, 187863, 216765, 303471, 313105, 438347, 505785, 563589, 814073, 939315, 1315041, 1517355, 2191735, 2442219, 2817945, 3945123, 4070365, 5698511, 6575205, 7326657, 12211095, 17095533, 19725615, 28492555, 36633285, 51286599, 85477665, 256432995]

約数ペア:

[(1, 256432995), (3, 85477665), (5, 51286599), (7, 36633285), (9, 28492555), (13, 19725615), (15, 17095533), (21, 12211095), (35, 7326657), (39, 6575205), (45, 5698511), (63, 4070365), (65, 3945123), (91, 2817945), (105, 2442219), (117, 2191735), (169, 1517355), (195, 1315041), (273, 939315), (315, 814073), (455, 563589), (507, 505785), (585, 438347), (819, 313105), (845, 303471), (1183, 216765), (1365, 187863), (1521, 168595), (2535, 101157), (3549, 72255), (4095, 62621), (4817, 53235), (5915, 43353), (7605, 33719), (10647, 24085), (14451, 17745)]