861215330

素因数分解:

$2^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{39451}}^1$

素因数の和:39554

約数の個数: 32

約数和(自身を含む): 1619110080

約数和(自身を除く): 757894750

約数列:

[1, 2, 5, 10, 37, 59, 74, 118, 185, 295, 370, 590, 2183, 4366, 10915, 21830, 39451, 78902, 197255, 394510, 1459687, 2327609, 2919374, 4655218, 7298435, 11638045, 14596870, 23276090, 86121533, 172243066, 430607665, 861215330]

約数ペア:

[(1, 861215330), (2, 430607665), (5, 172243066), (10, 86121533), (37, 23276090), (59, 14596870), (74, 11638045), (118, 7298435), (185, 4655218), (295, 2919374), (370, 2327609), (590, 1459687), (2183, 394510), (4366, 197255), (10915, 78902), (21830, 39451)]