28647290

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{317}}^1\times {\mathrm{1291}}^1$

素因数の和:1622

約数の個数: 32

約数和(自身を含む): 59163264

約数和(自身を除く): 30515974

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 317, 634, 1291, 1585, 2219, 2582, 3170, 4438, 6455, 9037, 11095, 12910, 18074, 22190, 45185, 90370, 409247, 818494, 2046235, 2864729, 4092470, 5729458, 14323645, 28647290]

約数ペア:

[(1, 28647290), (2, 14323645), (5, 5729458), (7, 4092470), (10, 2864729), (14, 2046235), (35, 818494), (70, 409247), (317, 90370), (634, 45185), (1291, 22190), (1585, 18074), (2219, 12910), (2582, 11095), (3170, 9037), (4438, 6455)]