239991084

素因数分解:

$2^2\times 3^2\times {\mathrm{43}}^1\times {\mathrm{229}}^1\times {\mathrm{677}}^1$

素因数の和:959

約数の個数: 72

約数和(自身を含む): 624383760

約数和(自身を除く): 384392676

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 43, 86, 129, 172, 229, 258, 387, 458, 516, 677, 687, 774, 916, 1354, 1374, 1548, 2031, 2061, 2708, 2748, 4062, 4122, 6093, 8124, 8244, 9847, 12186, 19694, 24372, 29111, 29541, 39388, 58222, 59082, 87333, 88623, 116444, 118164, 155033, 174666, 177246, 261999, 310066, 349332, 354492, 465099, 523998, 620132, 930198, 1047996, 1395297, 1860396, 2790594, 5581188, 6666419, 13332838, 19999257, 26665676, 39998514, 59997771, 79997028, 119995542, 239991084]

約数ペア:

[(1, 239991084), (2, 119995542), (3, 79997028), (4, 59997771), (6, 39998514), (9, 26665676), (12, 19999257), (18, 13332838), (36, 6666419), (43, 5581188), (86, 2790594), (129, 1860396), (172, 1395297), (229, 1047996), (258, 930198), (387, 620132), (458, 523998), (516, 465099), (677, 354492), (687, 349332), (774, 310066), (916, 261999), (1354, 177246), (1374, 174666), (1548, 155033), (2031, 118164), (2061, 116444), (2708, 88623), (2748, 87333), (4062, 59082), (4122, 58222), (6093, 39388), (8124, 29541), (8244, 29111), (9847, 24372), (12186, 19694)]