215795216

素因数分解:

$2^4\times 7^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{683}}^1$

素因数の和:749

約数の個数: 120

約数和(自身を含む): 541465344

約数和(自身を除く): 325670128

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, 683, 728, 784, 806, 868, 1274, 1366, 1456, 1519, 1612, 1736, 2548, 2732, 2821, 3038, 3224, 3472, 4781, 5096, 5464, 5642, 6076, 6448, 8879, 9562, 10192, 10928, 11284, 12152, 17758, 19124, 19747, 21173, 22568, 24304, 33467, 35516, 38248, 39494, 42346, 45136, 62153, 66934, 71032, 76496, 78988, 84692, 124306, 133868, 142064, 148211, 157976, 169384, 248612, 267736, 275249, 296422, 315952, 338768, 435071, 497224, 535472, 550498, 592844, 870142, 994448, 1037477, 1100996, 1185688, 1740284, 1926743, 2074954, 2201992, 2371376, 3480568, 3853486, 4149908, 4403984, 6961136, 7706972, 8299816, 13487201, 15413944, 16599632, 26974402, 30827888, 53948804, 107897608, 215795216]

約数ペア:

[(1, 215795216), (2, 107897608), (4, 53948804), (7, 30827888), (8, 26974402), (13, 16599632), (14, 15413944), (16, 13487201), (26, 8299816), (28, 7706972), (31, 6961136), (49, 4403984), (52, 4149908), (56, 3853486), (62, 3480568), (91, 2371376), (98, 2201992), (104, 2074954), (112, 1926743), (124, 1740284), (182, 1185688), (196, 1100996), (208, 1037477), (217, 994448), (248, 870142), (364, 592844), (392, 550498), (403, 535472), (434, 497224), (496, 435071), (637, 338768), (683, 315952), (728, 296422), (784, 275249), (806, 267736), (868, 248612), (1274, 169384), (1366, 157976), (1456, 148211), (1519, 142064), (1612, 133868), (1736, 124306), (2548, 84692), (2732, 78988), (2821, 76496), (3038, 71032), (3224, 66934), (3472, 62153), (4781, 45136), (5096, 42346), (5464, 39494), (5642, 38248), (6076, 35516), (6448, 33467), (8879, 24304), (9562, 22568), (10192, 21173), (10928, 19747), (11284, 19124), (12152, 17758)]