2491775

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1$

素因数の和:92

約数の個数: 48

約数和(自身を含む): 3937248

約数和(自身を除く): 1445473

約数列:

[1, 5, 11, 13, 17, 25, 41, 55, 65, 85, 143, 187, 205, 221, 275, 325, 425, 451, 533, 697, 715, 935, 1025, 1105, 2255, 2431, 2665, 3485, 3575, 4675, 5525, 5863, 7667, 9061, 11275, 12155, 13325, 17425, 29315, 38335, 45305, 60775, 99671, 146575, 191675, 226525, 498355, 2491775]

約数ペア:

[(1, 2491775), (5, 498355), (11, 226525), (13, 191675), (17, 146575), (25, 99671), (41, 60775), (55, 45305), (65, 38335), (85, 29315), (143, 17425), (187, 13325), (205, 12155), (221, 11275), (275, 9061), (325, 7667), (425, 5863), (451, 5525), (533, 4675), (697, 3575), (715, 3485), (935, 2665), (1025, 2431), (1105, 2255)]