68991290

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{237901}}^1$

素因数の和:237937

約数の個数: 16

約数和(自身を含む): 128467080

約数和(自身を除く): 59475790

約数列:

[1, 2, 5, 10, 29, 58, 145, 290, 237901, 475802, 1189505, 2379010, 6899129, 13798258, 34495645, 68991290]

約数ペア:

[(1, 68991290), (2, 34495645), (5, 13798258), (10, 6899129), (29, 2379010), (58, 1189505), (145, 475802), (290, 237901)]