990878720065

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{15913}}^1\times {\mathrm{957977}}^1$

素因数の和:973908

約数の個数: 16

約数和(自身を含む): 1280601998928

約数和(自身を除く): 289723278863

約数列:

[1, 5, 13, 65, 15913, 79565, 206869, 957977, 1034345, 4789885, 12453701, 62268505, 15244288001, 76221440005, 198175744013, 990878720065]

約数ペア:

[(1, 990878720065), (5, 198175744013), (13, 76221440005), (65, 15244288001), (15913, 62268505), (79565, 12453701), (206869, 4789885), (957977, 1034345)]