209804948

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{271}}^1\times {\mathrm{5231}}^1$

素因数の和:5543

約数の個数: 24

約数和(自身を含む): 378545664

約数和(自身を除く): 168740716

約数列:

[1, 2, 4, 37, 74, 148, 271, 542, 1084, 5231, 10027, 10462, 20054, 20924, 40108, 193547, 387094, 774188, 1417601, 2835202, 5670404, 52451237, 104902474, 209804948]

約数ペア:

[(1, 209804948), (2, 104902474), (4, 52451237), (37, 5670404), (74, 2835202), (148, 1417601), (271, 774188), (542, 387094), (1084, 193547), (5231, 40108), (10027, 20924), (10462, 20054)]