680264

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{211}}^1$

素因数の和:261

約数の個数: 32

約数和(自身を含む): 1424640

約数和(自身を除く): 744376

約数列:

[1, 2, 4, 8, 13, 26, 31, 52, 62, 104, 124, 211, 248, 403, 422, 806, 844, 1612, 1688, 2743, 3224, 5486, 6541, 10972, 13082, 21944, 26164, 52328, 85033, 170066, 340132, 680264]

約数ペア:

[(1, 680264), (2, 340132), (4, 170066), (8, 85033), (13, 52328), (26, 26164), (31, 21944), (52, 13082), (62, 10972), (104, 6541), (124, 5486), (211, 3224), (248, 2743), (403, 1688), (422, 1612), (806, 844)]