66511225

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{347}}^1$

素因数の和:426

約数の個数: 48

約数和(自身を含む): 97868736

約数和(自身を除く): 31357511

約数列:

[1, 5, 11, 17, 25, 41, 55, 85, 187, 205, 275, 347, 425, 451, 697, 935, 1025, 1735, 2255, 3485, 3817, 4675, 5899, 7667, 8675, 11275, 14227, 17425, 19085, 29495, 38335, 64889, 71135, 95425, 147475, 156497, 191675, 241859, 324445, 355675, 782485, 1209295, 1622225, 2660449, 3912425, 6046475, 13302245, 66511225]

約数ペア:

[(1, 66511225), (5, 13302245), (11, 6046475), (17, 3912425), (25, 2660449), (41, 1622225), (55, 1209295), (85, 782485), (187, 355675), (205, 324445), (275, 241859), (347, 191675), (425, 156497), (451, 147475), (697, 95425), (935, 71135), (1025, 64889), (1735, 38335), (2255, 29495), (3485, 19085), (3817, 17425), (4675, 14227), (5899, 11275), (7667, 8675)]