1686876490

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1549}}^1\times {\mathrm{8377}}^1$

素因数の和:9946

約数の個数: 32

約数和(自身を含む): 3272446800

約数和(自身を除く): 1585570310

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 1549, 3098, 7745, 8377, 15490, 16754, 20137, 40274, 41885, 83770, 100685, 108901, 201370, 217802, 544505, 1089010, 12975973, 25951946, 64879865, 129759730, 168687649, 337375298, 843438245, 1686876490]

約数ペア:

[(1, 1686876490), (2, 843438245), (5, 337375298), (10, 168687649), (13, 129759730), (26, 64879865), (65, 25951946), (130, 12975973), (1549, 1089010), (3098, 544505), (7745, 217802), (8377, 201370), (15490, 108901), (16754, 100685), (20137, 83770), (40274, 41885)]