87968965

素因数分解:

$5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{21121}}^1$

素因数の和:21157

約数の個数: 24

約数和(自身を含む): 130027032

約数和(自身を除く): 42058067

約数列:

[1, 5, 7, 17, 35, 49, 85, 119, 245, 595, 833, 4165, 21121, 105605, 147847, 359057, 739235, 1034929, 1795285, 2513399, 5174645, 12566995, 17593793, 87968965]

約数ペア:

[(1, 87968965), (5, 17593793), (7, 12566995), (17, 5174645), (35, 2513399), (49, 1795285), (85, 1034929), (119, 739235), (245, 359057), (595, 147847), (833, 105605), (4165, 21121)]