81907952

素因数分解:

$2^4\times 7^1\times {\mathrm{31}}^2\times {\mathrm{761}}^1$

素因数の和:838

約数の個数: 60

約数和(自身を含む): 187653168

約数和(自身を除く): 105745216

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 56, 62, 112, 124, 217, 248, 434, 496, 761, 868, 961, 1522, 1736, 1922, 3044, 3472, 3844, 5327, 6088, 6727, 7688, 10654, 12176, 13454, 15376, 21308, 23591, 26908, 42616, 47182, 53816, 85232, 94364, 107632, 165137, 188728, 330274, 377456, 660548, 731321, 1321096, 1462642, 2642192, 2925284, 5119247, 5850568, 10238494, 11701136, 20476988, 40953976, 81907952]

約数ペア:

[(1, 81907952), (2, 40953976), (4, 20476988), (7, 11701136), (8, 10238494), (14, 5850568), (16, 5119247), (28, 2925284), (31, 2642192), (56, 1462642), (62, 1321096), (112, 731321), (124, 660548), (217, 377456), (248, 330274), (434, 188728), (496, 165137), (761, 107632), (868, 94364), (961, 85232), (1522, 53816), (1736, 47182), (1922, 42616), (3044, 26908), (3472, 23591), (3844, 21308), (5327, 15376), (6088, 13454), (6727, 12176), (7688, 10654)]