561698956

素因数分解:

$2^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{220447}}^1$

素因数の和:220478

約数の個数: 36

約数和(自身を含む): 1231422528

約数和(自身を除く): 669723572

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 49, 52, 91, 98, 182, 196, 364, 637, 1274, 2548, 220447, 440894, 881788, 1543129, 2865811, 3086258, 5731622, 6172516, 10801903, 11463244, 20060677, 21603806, 40121354, 43207612, 80242708, 140424739, 280849478, 561698956]

約数ペア:

[(1, 561698956), (2, 280849478), (4, 140424739), (7, 80242708), (13, 43207612), (14, 40121354), (26, 21603806), (28, 20060677), (49, 11463244), (52, 10801903), (91, 6172516), (98, 5731622), (182, 3086258), (196, 2865811), (364, 1543129), (637, 881788), (1274, 440894), (2548, 220447)]