259354870

素因数分解:

$2^1\times 5^1\times {\mathrm{101}}^1\times {\mathrm{211}}^1\times {\mathrm{1217}}^1$

素因数の和:1536

約数の個数: 32

約数和(自身を含む): 474084576

約数和(自身を除く): 214729706

約数列:

[1, 2, 5, 10, 101, 202, 211, 422, 505, 1010, 1055, 1217, 2110, 2434, 6085, 12170, 21311, 42622, 106555, 122917, 213110, 245834, 256787, 513574, 614585, 1229170, 1283935, 2567870, 25935487, 51870974, 129677435, 259354870]

約数ペア:

[(1, 259354870), (2, 129677435), (5, 51870974), (10, 25935487), (101, 2567870), (202, 1283935), (211, 1229170), (422, 614585), (505, 513574), (1010, 256787), (1055, 245834), (1217, 213110), (2110, 122917), (2434, 106555), (6085, 42622), (12170, 21311)]