1228565512816

素因数分解:

$2^4\times {\mathrm{194729}}^1\times {\mathrm{394319}}^1$

素因数の和:589056

約数の個数: 20

約数和(自身を含む): 2380363941600

約数和(自身を除く): 1151798428784

約数列:

[1, 2, 4, 8, 16, 194729, 389458, 394319, 778916, 788638, 1557832, 1577276, 3115664, 3154552, 6309104, 76785344551, 153570689102, 307141378204, 614282756408, 1228565512816]

約数ペア:

[(1, 1228565512816), (2, 614282756408), (4, 307141378204), (8, 153570689102), (16, 76785344551), (194729, 6309104), (389458, 3154552), (394319, 3115664), (778916, 1577276), (788638, 1557832)]