213724808

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{349}}^1\times {\mathrm{6959}}^1$

素因数の和:7325

約数の個数: 32

約数和(自身を含む): 438480000

約数和(自身を除く): 224755192

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 349, 698, 1396, 2792, 3839, 6959, 7678, 13918, 15356, 27836, 30712, 55672, 76549, 153098, 306196, 612392, 2428691, 4857382, 9714764, 19429528, 26715601, 53431202, 106862404, 213724808]

約数ペア:

[(1, 213724808), (2, 106862404), (4, 53431202), (8, 26715601), (11, 19429528), (22, 9714764), (44, 4857382), (88, 2428691), (349, 612392), (698, 306196), (1396, 153098), (2792, 76549), (3839, 55672), (6959, 30712), (7678, 27836), (13918, 15356)]