78880505

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{241}}^1\times {\mathrm{541}}^1$

素因数の和:809

約数の個数: 24

約数和(自身を含む): 104668872

約数和(自身を除く): 25788367

約数列:

[1, 5, 11, 55, 121, 241, 541, 605, 1205, 2651, 2705, 5951, 13255, 29161, 29755, 65461, 130381, 145805, 327305, 651905, 1434191, 7170955, 15776101, 78880505]

約数ペア:

[(1, 78880505), (5, 15776101), (11, 7170955), (55, 1434191), (121, 651905), (241, 327305), (541, 145805), (605, 130381), (1205, 65461), (2651, 29755), (2705, 29161), (5951, 13255)]