27706870

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{643}}^1$

素因数の和:820

約数の個数: 32

約数和(自身を含む): 51932160

約数和(自身を除く): 24225290

約数列:

[1, 2, 5, 10, 31, 62, 139, 155, 278, 310, 643, 695, 1286, 1390, 3215, 4309, 6430, 8618, 19933, 21545, 39866, 43090, 89377, 99665, 178754, 199330, 446885, 893770, 2770687, 5541374, 13853435, 27706870]

約数ペア:

[(1, 27706870), (2, 13853435), (5, 5541374), (10, 2770687), (31, 893770), (62, 446885), (139, 199330), (155, 178754), (278, 99665), (310, 89377), (643, 43090), (695, 39866), (1286, 21545), (1390, 19933), (3215, 8618), (4309, 6430)]