1290261568

素因数分解:

$2^6\times {\mathrm{73}}^1\times {\mathrm{277}}^1\times {\mathrm{997}}^1$

素因数の和:1359

約数の個数: 56

約数和(自身を含む): 2607418712

約数和(自身を除く): 1317157144

約数列:

[1, 2, 4, 8, 16, 32, 64, 73, 146, 277, 292, 554, 584, 997, 1108, 1168, 1994, 2216, 2336, 3988, 4432, 4672, 7976, 8864, 15952, 17728, 20221, 31904, 40442, 63808, 72781, 80884, 145562, 161768, 276169, 291124, 323536, 552338, 582248, 647072, 1104676, 1164496, 1294144, 2209352, 2328992, 4418704, 4657984, 8837408, 17674816, 20160337, 40320674, 80641348, 161282696, 322565392, 645130784, 1290261568]

約数ペア:

[(1, 1290261568), (2, 645130784), (4, 322565392), (8, 161282696), (16, 80641348), (32, 40320674), (64, 20160337), (73, 17674816), (146, 8837408), (277, 4657984), (292, 4418704), (554, 2328992), (584, 2209352), (997, 1294144), (1108, 1164496), (1168, 1104676), (1994, 647072), (2216, 582248), (2336, 552338), (3988, 323536), (4432, 291124), (4672, 276169), (7976, 161768), (8864, 145562), (15952, 80884), (17728, 72781), (20221, 63808), (31904, 40442)]