217401070

素因数分解:

$2^1\times 5^1\times {\mathrm{83}}^1\times {\mathrm{103}}^1\times {\mathrm{2543}}^1$

素因数の和:2736

約数の個数: 32

約数和(自身を含む): 400038912

約数和(自身を除く): 182637842

約数列:

[1, 2, 5, 10, 83, 103, 166, 206, 415, 515, 830, 1030, 2543, 5086, 8549, 12715, 17098, 25430, 42745, 85490, 211069, 261929, 422138, 523858, 1055345, 1309645, 2110690, 2619290, 21740107, 43480214, 108700535, 217401070]

約数ペア:

[(1, 217401070), (2, 108700535), (5, 43480214), (10, 21740107), (83, 2619290), (103, 2110690), (166, 1309645), (206, 1055345), (415, 523858), (515, 422138), (830, 261929), (1030, 211069), (2543, 85490), (5086, 42745), (8549, 25430), (12715, 17098)]