86641775

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{431}}^1$

素因数の和:512

約数の個数: 48

約数和(自身を含む): 127277568

約数和(自身を除く): 40635793

約数列:

[1, 5, 11, 17, 25, 43, 55, 85, 187, 215, 275, 425, 431, 473, 731, 935, 1075, 2155, 2365, 3655, 4675, 4741, 7327, 8041, 10775, 11825, 18275, 18533, 23705, 36635, 40205, 80597, 92665, 118525, 183175, 201025, 203863, 315061, 402985, 463325, 1019315, 1575305, 2014925, 3465671, 5096575, 7876525, 17328355, 86641775]

約数ペア:

[(1, 86641775), (5, 17328355), (11, 7876525), (17, 5096575), (25, 3465671), (43, 2014925), (55, 1575305), (85, 1019315), (187, 463325), (215, 402985), (275, 315061), (425, 203863), (431, 201025), (473, 183175), (731, 118525), (935, 92665), (1075, 80597), (2155, 40205), (2365, 36635), (3655, 23705), (4675, 18533), (4741, 18275), (7327, 11825), (8041, 10775)]