209310928

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{6473}}^1$

素因数の和:6571

約数の個数: 40

約数和(自身を含む): 423865728

約数和(自身を除く): 214554800

約数列:

[1, 2, 4, 8, 16, 43, 47, 86, 94, 172, 188, 344, 376, 688, 752, 2021, 4042, 6473, 8084, 12946, 16168, 25892, 32336, 51784, 103568, 278339, 304231, 556678, 608462, 1113356, 1216924, 2226712, 2433848, 4453424, 4867696, 13081933, 26163866, 52327732, 104655464, 209310928]

約数ペア:

[(1, 209310928), (2, 104655464), (4, 52327732), (8, 26163866), (16, 13081933), (43, 4867696), (47, 4453424), (86, 2433848), (94, 2226712), (172, 1216924), (188, 1113356), (344, 608462), (376, 556678), (688, 304231), (752, 278339), (2021, 103568), (4042, 51784), (6473, 32336), (8084, 25892), (12946, 16168)]