320848424

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{151}}^1\times {\mathrm{20431}}^1$

素因数の和:20601

約数の個数: 32

約数和(自身を含む): 652189440

約数和(自身を除く): 331341016

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 151, 302, 604, 1208, 1963, 3926, 7852, 15704, 20431, 40862, 81724, 163448, 265603, 531206, 1062412, 2124824, 3085081, 6170162, 12340324, 24680648, 40106053, 80212106, 160424212, 320848424]

約数ペア:

[(1, 320848424), (2, 160424212), (4, 80212106), (8, 40106053), (13, 24680648), (26, 12340324), (52, 6170162), (104, 3085081), (151, 2124824), (302, 1062412), (604, 531206), (1208, 265603), (1963, 163448), (3926, 81724), (7852, 40862), (15704, 20431)]