54678978

素因数分解:

$2^1\times 3^2\times {\mathrm{29}}^1\times {\mathrm{31}}^2\times {\mathrm{109}}^1$

素因数の和:208

約数の個数: 72

約数和(自身を含む): 127799100

約数和(自身を除く): 73120122

約数列:

[1, 2, 3, 6, 9, 18, 29, 31, 58, 62, 87, 93, 109, 174, 186, 218, 261, 279, 327, 522, 558, 654, 899, 961, 981, 1798, 1922, 1962, 2697, 2883, 3161, 3379, 5394, 5766, 6322, 6758, 8091, 8649, 9483, 10137, 16182, 17298, 18966, 20274, 27869, 28449, 30411, 55738, 56898, 60822, 83607, 97991, 104749, 167214, 195982, 209498, 250821, 293973, 314247, 501642, 587946, 628494, 881919, 942741, 1763838, 1885482, 3037721, 6075442, 9113163, 18226326, 27339489, 54678978]

約数ペア:

[(1, 54678978), (2, 27339489), (3, 18226326), (6, 9113163), (9, 6075442), (18, 3037721), (29, 1885482), (31, 1763838), (58, 942741), (62, 881919), (87, 628494), (93, 587946), (109, 501642), (174, 314247), (186, 293973), (218, 250821), (261, 209498), (279, 195982), (327, 167214), (522, 104749), (558, 97991), (654, 83607), (899, 60822), (961, 56898), (981, 55738), (1798, 30411), (1922, 28449), (1962, 27869), (2697, 20274), (2883, 18966), (3161, 17298), (3379, 16182), (5394, 10137), (5766, 9483), (6322, 8649), (6758, 8091)]