1639856872

素因数分解:

$2^3\times {\mathrm{37}}^1\times {\mathrm{5540057}}^1$

素因数の和:5540100

約数の個数: 16

約数和(自身を含む): 3157833060

約数和(自身を除く): 1517976188

約数列:

[1, 2, 4, 8, 37, 74, 148, 296, 5540057, 11080114, 22160228, 44320456, 204982109, 409964218, 819928436, 1639856872]

約数ペア:

[(1, 1639856872), (2, 819928436), (4, 409964218), (8, 204982109), (37, 44320456), (74, 22160228), (148, 11080114), (296, 5540057)]