1639441616

素因数分解:

$2^4\times {\mathrm{139}}^1\times {\mathrm{737159}}^1$

素因数の和:737306

約数の個数: 20

約数和(自身を含む): 3199274400

約数和(自身を除く): 1559832784

約数列:

[1, 2, 4, 8, 16, 139, 278, 556, 1112, 2224, 737159, 1474318, 2948636, 5897272, 11794544, 102465101, 204930202, 409860404, 819720808, 1639441616]

約数ペア:

[(1, 1639441616), (2, 819720808), (4, 409860404), (8, 204930202), (16, 102465101), (139, 11794544), (278, 5897272), (556, 2948636), (1112, 1474318), (2224, 737159)]