81104556

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{541}}^1$

素因数の和:623

約数の個数: 72

約数和(自身を含む): 210976752

約数和(自身を除く): 129872196

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 31, 39, 52, 62, 78, 93, 124, 156, 186, 372, 403, 541, 806, 961, 1082, 1209, 1612, 1623, 1922, 2164, 2418, 2883, 3246, 3844, 4836, 5766, 6492, 7033, 11532, 12493, 14066, 16771, 21099, 24986, 28132, 33542, 37479, 42198, 49972, 50313, 67084, 74958, 84396, 100626, 149916, 201252, 218023, 436046, 519901, 654069, 872092, 1039802, 1308138, 1559703, 2079604, 2616276, 3119406, 6238812, 6758713, 13517426, 20276139, 27034852, 40552278, 81104556]

約数ペア:

[(1, 81104556), (2, 40552278), (3, 27034852), (4, 20276139), (6, 13517426), (12, 6758713), (13, 6238812), (26, 3119406), (31, 2616276), (39, 2079604), (52, 1559703), (62, 1308138), (78, 1039802), (93, 872092), (124, 654069), (156, 519901), (186, 436046), (372, 218023), (403, 201252), (541, 149916), (806, 100626), (961, 84396), (1082, 74958), (1209, 67084), (1612, 50313), (1623, 49972), (1922, 42198), (2164, 37479), (2418, 33542), (2883, 28132), (3246, 24986), (3844, 21099), (4836, 16771), (5766, 14066), (6492, 12493), (7033, 11532)]