1285681325

素因数分解:

$5^2\times {\mathrm{127}}^1\times {\mathrm{557}}^1\times {\mathrm{727}}^1$

素因数の和:1421

約数の個数: 24

約数和(自身を含む): 1611896832

約数和(自身を除く): 326215507

約数列:

[1, 5, 25, 127, 557, 635, 727, 2785, 3175, 3635, 13925, 18175, 70739, 92329, 353695, 404939, 461645, 1768475, 2024695, 2308225, 10123475, 51427253, 257136265, 1285681325]

約数ペア:

[(1, 1285681325), (5, 257136265), (25, 51427253), (127, 10123475), (557, 2308225), (635, 2024695), (727, 1768475), (2785, 461645), (3175, 404939), (3635, 353695), (13925, 92329), (18175, 70739)]