78741972

素因数分解:

$2^2\times 3^2\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{1559}}^1$

素因数の和:1653

約数の個数: 72

約数和(自身を含む): 211236480

約数和(自身を除く): 132494508

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 36, 46, 61, 69, 92, 122, 138, 183, 207, 244, 276, 366, 414, 549, 732, 828, 1098, 1403, 1559, 2196, 2806, 3118, 4209, 4677, 5612, 6236, 8418, 9354, 12627, 14031, 16836, 18708, 25254, 28062, 35857, 50508, 56124, 71714, 95099, 107571, 143428, 190198, 215142, 285297, 322713, 380396, 430284, 570594, 645426, 855891, 1141188, 1290852, 1711782, 2187277, 3423564, 4374554, 6561831, 8749108, 13123662, 19685493, 26247324, 39370986, 78741972]

約数ペア:

[(1, 78741972), (2, 39370986), (3, 26247324), (4, 19685493), (6, 13123662), (9, 8749108), (12, 6561831), (18, 4374554), (23, 3423564), (36, 2187277), (46, 1711782), (61, 1290852), (69, 1141188), (92, 855891), (122, 645426), (138, 570594), (183, 430284), (207, 380396), (244, 322713), (276, 285297), (366, 215142), (414, 190198), (549, 143428), (732, 107571), (828, 95099), (1098, 71714), (1403, 56124), (1559, 50508), (2196, 35857), (2806, 28062), (3118, 25254), (4209, 18708), (4677, 16836), (5612, 14031), (6236, 12627), (8418, 9354)]