67990195

素因数分解:

$5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{21347}}^1$

素因数の和:21379

約数の個数: 24

約数和(自身を含む): 102214224

約数和(自身を除く): 34224029

約数列:

[1, 5, 7, 13, 35, 49, 65, 91, 245, 455, 637, 3185, 21347, 106735, 149429, 277511, 747145, 1046003, 1387555, 1942577, 5230015, 9712885, 13598039, 67990195]

約数ペア:

[(1, 67990195), (5, 13598039), (7, 9712885), (13, 5230015), (35, 1942577), (49, 1387555), (65, 1046003), (91, 747145), (245, 277511), (455, 149429), (637, 106735), (3185, 21347)]