261500728

素因数分解:

$2^3\times {\mathrm{53}}^1\times {\mathrm{677}}^1\times {\mathrm{911}}^1$

素因数の和:1647

約数の個数: 32

約数和(自身を含む): 500852160

約数和(自身を除く): 239351432

約数列:

[1, 2, 4, 8, 53, 106, 212, 424, 677, 911, 1354, 1822, 2708, 3644, 5416, 7288, 35881, 48283, 71762, 96566, 143524, 193132, 287048, 386264, 616747, 1233494, 2466988, 4933976, 32687591, 65375182, 130750364, 261500728]

約数ペア:

[(1, 261500728), (2, 130750364), (4, 65375182), (8, 32687591), (53, 4933976), (106, 2466988), (212, 1233494), (424, 616747), (677, 386264), (911, 287048), (1354, 193132), (1822, 143524), (2708, 96566), (3644, 71762), (5416, 48283), (7288, 35881)]