310693318

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{43}}^1\times {\mathrm{21377}}^1$

素因数の和:21448

約数の個数: 24

約数和(自身を含む): 516406968

約数和(自身を除く): 205713650

約数列:

[1, 2, 13, 26, 43, 86, 169, 338, 559, 1118, 7267, 14534, 21377, 42754, 277901, 555802, 919211, 1838422, 3612713, 7225426, 11949743, 23899486, 155346659, 310693318]

約数ペア:

[(1, 310693318), (2, 155346659), (13, 23899486), (26, 11949743), (43, 7225426), (86, 3612713), (169, 1838422), (338, 919211), (559, 555802), (1118, 277901), (7267, 42754), (14534, 21377)]