686014064

素因数分解:

$2^4\times {\mathrm{409}}^1\times {\mathrm{104831}}^1$

素因数の和:105248

約数の個数: 20

約数和(自身を含む): 1332414720

約数和(自身を除く): 646400656

約数列:

[1, 2, 4, 8, 16, 409, 818, 1636, 3272, 6544, 104831, 209662, 419324, 838648, 1677296, 42875879, 85751758, 171503516, 343007032, 686014064]

約数ペア:

[(1, 686014064), (2, 343007032), (4, 171503516), (8, 85751758), (16, 42875879), (409, 1677296), (818, 838648), (1636, 419324), (3272, 209662), (6544, 104831)]