211778841625

素因数分解:

$5^3\times {\mathrm{13}}^1\times {\mathrm{7451}}^1\times {\mathrm{17491}}^1$

素因数の和:24970

約数の個数: 32

約数和(自身を含む): 284685238656

約数和(自身を除く): 72906397031

約数列:

[1, 5, 13, 25, 65, 125, 325, 1625, 7451, 17491, 37255, 87455, 96863, 186275, 227383, 437275, 484315, 931375, 1136915, 2186375, 2421575, 5684575, 12107875, 28422875, 130325441, 651627205, 1694230733, 3258136025, 8471153665, 16290680125, 42355768325, 211778841625]

約数ペア:

[(1, 211778841625), (5, 42355768325), (13, 16290680125), (25, 8471153665), (65, 3258136025), (125, 1694230733), (325, 651627205), (1625, 130325441), (7451, 28422875), (17491, 12107875), (37255, 5684575), (87455, 2421575), (96863, 2186375), (186275, 1136915), (227383, 931375), (437275, 484315)]