31420015

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{281}}^1$

素因数の和:423

約数の個数: 32

約数和(自身を含む): 43856640

約数和(自身を除く): 12436625

約数列:

[1, 5, 11, 19, 55, 95, 107, 209, 281, 535, 1045, 1177, 1405, 2033, 3091, 5339, 5885, 10165, 15455, 22363, 26695, 30067, 58729, 111815, 150335, 293645, 330737, 571273, 1653685, 2856365, 6284003, 31420015]

約数ペア:

[(1, 31420015), (5, 6284003), (11, 2856365), (19, 1653685), (55, 571273), (95, 330737), (107, 293645), (209, 150335), (281, 111815), (535, 58729), (1045, 30067), (1177, 26695), (1405, 22363), (2033, 15455), (3091, 10165), (5339, 5885)]