55775988

素因数分解:

$2^2\times 3^2\times {\mathrm{43}}^1\times {\mathrm{137}}^1\times {\mathrm{263}}^1$

素因数の和:453

約数の個数: 72

約数和(自身を含む): 145873728

約数和(自身を除く): 90097740

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 43, 86, 129, 137, 172, 258, 263, 274, 387, 411, 516, 526, 548, 774, 789, 822, 1052, 1233, 1548, 1578, 1644, 2367, 2466, 3156, 4734, 4932, 5891, 9468, 11309, 11782, 17673, 22618, 23564, 33927, 35346, 36031, 45236, 53019, 67854, 70692, 72062, 101781, 106038, 108093, 135708, 144124, 203562, 212076, 216186, 324279, 407124, 432372, 648558, 1297116, 1549333, 3098666, 4647999, 6197332, 9295998, 13943997, 18591996, 27887994, 55775988]

約数ペア:

[(1, 55775988), (2, 27887994), (3, 18591996), (4, 13943997), (6, 9295998), (9, 6197332), (12, 4647999), (18, 3098666), (36, 1549333), (43, 1297116), (86, 648558), (129, 432372), (137, 407124), (172, 324279), (258, 216186), (263, 212076), (274, 203562), (387, 144124), (411, 135708), (516, 108093), (526, 106038), (548, 101781), (774, 72062), (789, 70692), (822, 67854), (1052, 53019), (1233, 45236), (1548, 36031), (1578, 35346), (1644, 33927), (2367, 23564), (2466, 22618), (3156, 17673), (4734, 11782), (4932, 11309), (5891, 9468)]