289713145

素因数分解:

$5^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{461}}^1$

素因数の和:625

約数の個数: 32

約数和(自身を含む): 370782720

約数和(自身を除く): 81069575

約数列:

[1, 5, 37, 43, 79, 185, 215, 395, 461, 1591, 2305, 2923, 3397, 7955, 14615, 16985, 17057, 19823, 36419, 85285, 99115, 125689, 182095, 628445, 733451, 1347503, 1566017, 3667255, 6737515, 7830085, 57942629, 289713145]

約数ペア:

[(1, 289713145), (5, 57942629), (37, 7830085), (43, 6737515), (79, 3667255), (185, 1566017), (215, 1347503), (395, 733451), (461, 628445), (1591, 182095), (2305, 125689), (2923, 99115), (3397, 85285), (7955, 36419), (14615, 19823), (16985, 17057)]