261119488

素因数分解:

$2^9\times 7^1\times {\mathrm{41}}^1\times {\mathrm{1777}}^1$

素因数の和:1843

約数の個数: 80

約数和(自身を含む): 611148384

約数和(自身を除く): 350028896

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 41, 56, 64, 82, 112, 128, 164, 224, 256, 287, 328, 448, 512, 574, 656, 896, 1148, 1312, 1777, 1792, 2296, 2624, 3554, 3584, 4592, 5248, 7108, 9184, 10496, 12439, 14216, 18368, 20992, 24878, 28432, 36736, 49756, 56864, 72857, 73472, 99512, 113728, 145714, 146944, 199024, 227456, 291428, 398048, 454912, 509999, 582856, 796096, 909824, 1019998, 1165712, 1592192, 2039996, 2331424, 3184384, 4079992, 4662848, 6368768, 8159984, 9325696, 16319968, 18651392, 32639936, 37302784, 65279872, 130559744, 261119488]

約数ペア:

[(1, 261119488), (2, 130559744), (4, 65279872), (7, 37302784), (8, 32639936), (14, 18651392), (16, 16319968), (28, 9325696), (32, 8159984), (41, 6368768), (56, 4662848), (64, 4079992), (82, 3184384), (112, 2331424), (128, 2039996), (164, 1592192), (224, 1165712), (256, 1019998), (287, 909824), (328, 796096), (448, 582856), (512, 509999), (574, 454912), (656, 398048), (896, 291428), (1148, 227456), (1312, 199024), (1777, 146944), (1792, 145714), (2296, 113728), (2624, 99512), (3554, 73472), (3584, 72857), (4592, 56864), (5248, 49756), (7108, 36736), (9184, 28432), (10496, 24878), (12439, 20992), (14216, 18368)]