278399551315

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{971}}^1\times {\mathrm{3373109}}^1$

素因数の和:3374102

約数の個数: 16

約数和(自身を含む): 354095595360

約数和(自身を除く): 75696044045

約数列:

[1, 5, 17, 85, 971, 4855, 16507, 82535, 3373109, 16865545, 57342853, 286714265, 3275288839, 16376444195, 55679910263, 278399551315]

約数ペア:

[(1, 278399551315), (5, 55679910263), (17, 16376444195), (85, 3275288839), (971, 286714265), (4855, 57342853), (16507, 16865545), (82535, 3373109)]