861384916

素因数分解:

$2^2\times 7^2\times {\mathrm{1559}}^1\times {\mathrm{2819}}^1$

素因数の和:4396

約数の個数: 36

約数和(自身を含む): 1755280800

約数和(自身を除く): 893895884

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 1559, 2819, 3118, 5638, 6236, 10913, 11276, 19733, 21826, 39466, 43652, 76391, 78932, 138131, 152782, 276262, 305564, 552524, 4394821, 8789642, 17579284, 30763747, 61527494, 123054988, 215346229, 430692458, 861384916]

約数ペア:

[(1, 861384916), (2, 430692458), (4, 215346229), (7, 123054988), (14, 61527494), (28, 30763747), (49, 17579284), (98, 8789642), (196, 4394821), (1559, 552524), (2819, 305564), (3118, 276262), (5638, 152782), (6236, 138131), (10913, 78932), (11276, 76391), (19733, 43652), (21826, 39466)]