339985256

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{1637}}^1\times {\mathrm{1997}}^1$

素因数の和:3653

約数の個数: 32

約数和(自身を含む): 687272040

約数和(自身を除く): 347286784

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 1637, 1997, 3274, 3994, 6548, 7988, 13096, 15976, 21281, 25961, 42562, 51922, 85124, 103844, 170248, 207688, 3269089, 6538178, 13076356, 26152712, 42498157, 84996314, 169992628, 339985256]

約数ペア:

[(1, 339985256), (2, 169992628), (4, 84996314), (8, 42498157), (13, 26152712), (26, 13076356), (52, 6538178), (104, 3269089), (1637, 207688), (1997, 170248), (3274, 103844), (3994, 85124), (6548, 51922), (7988, 42562), (13096, 25961), (15976, 21281)]