313306

素因数分解:

$2^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{139}}^1$

素因数の和:178

約数の個数: 24

約数和(自身を含む): 574560

約数和(自身を除く): 261254

約数列:

[1, 2, 7, 14, 23, 46, 49, 98, 139, 161, 278, 322, 973, 1127, 1946, 2254, 3197, 6394, 6811, 13622, 22379, 44758, 156653, 313306]

約数ペア:

[(1, 313306), (2, 156653), (7, 44758), (14, 22379), (23, 13622), (46, 6811), (49, 6394), (98, 3197), (139, 2254), (161, 1946), (278, 1127), (322, 973)]