261946730

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{337}}^1\times {\mathrm{4091}}^1$

素因数の和:4454

約数の個数: 32

約数和(自身を含む): 497914560

約数和(自身を除く): 235967830

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 337, 674, 1685, 3370, 4091, 6403, 8182, 12806, 20455, 32015, 40910, 64030, 77729, 155458, 388645, 777290, 1378667, 2757334, 6893335, 13786670, 26194673, 52389346, 130973365, 261946730]

約数ペア:

[(1, 261946730), (2, 130973365), (5, 52389346), (10, 26194673), (19, 13786670), (38, 6893335), (95, 2757334), (190, 1378667), (337, 777290), (674, 388645), (1685, 155458), (3370, 77729), (4091, 64030), (6403, 40910), (8182, 32015), (12806, 20455)]