85187988

素因数分解:

$2^2\times 3^2\times {\mathrm{43}}^1\times {\mathrm{113}}^1\times {\mathrm{487}}^1$

素因数の和:653

約数の個数: 72

約数和(自身を含む): 222750528

約数和(自身を除く): 137562540

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 43, 86, 113, 129, 172, 226, 258, 339, 387, 452, 487, 516, 678, 774, 974, 1017, 1356, 1461, 1548, 1948, 2034, 2922, 4068, 4383, 4859, 5844, 8766, 9718, 14577, 17532, 19436, 20941, 29154, 41882, 43731, 55031, 58308, 62823, 83764, 87462, 110062, 125646, 165093, 174924, 188469, 220124, 251292, 330186, 376938, 495279, 660372, 753876, 990558, 1981116, 2366333, 4732666, 7098999, 9465332, 14197998, 21296997, 28395996, 42593994, 85187988]

約数ペア:

[(1, 85187988), (2, 42593994), (3, 28395996), (4, 21296997), (6, 14197998), (9, 9465332), (12, 7098999), (18, 4732666), (36, 2366333), (43, 1981116), (86, 990558), (113, 753876), (129, 660372), (172, 495279), (226, 376938), (258, 330186), (339, 251292), (387, 220124), (452, 188469), (487, 174924), (516, 165093), (678, 125646), (774, 110062), (974, 87462), (1017, 83764), (1356, 62823), (1461, 58308), (1548, 55031), (1948, 43731), (2034, 41882), (2922, 29154), (4068, 20941), (4383, 19436), (4859, 17532), (5844, 14577), (8766, 9718)]