77798890

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{359}}^1\times {\mathrm{1667}}^1$

素因数の和:2046

約数の個数: 32

約数和(自身を含む): 151320960

約数和(自身を除く): 73522070

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 359, 718, 1667, 1795, 3334, 3590, 4667, 8335, 9334, 16670, 21671, 23335, 43342, 46670, 108355, 216710, 598453, 1196906, 2992265, 5984530, 7779889, 15559778, 38899445, 77798890]

約数ペア:

[(1, 77798890), (2, 38899445), (5, 15559778), (10, 7779889), (13, 5984530), (26, 2992265), (65, 1196906), (130, 598453), (359, 216710), (718, 108355), (1667, 46670), (1795, 43342), (3334, 23335), (3590, 21671), (4667, 16670), (8335, 9334)]