2219115338495

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{399480709}}^1$

素因数の和:399480826

約数の個数: 16

約数和(自身を含む): 2933786334240

約数和(自身を除く): 714670995745

約数列:

[1, 5, 11, 55, 101, 505, 1111, 5555, 399480709, 1997403545, 4394287799, 21971438995, 40347551609, 201737758045, 443823067699, 2219115338495]

約数ペア:

[(1, 2219115338495), (5, 443823067699), (11, 201737758045), (55, 40347551609), (101, 21971438995), (505, 4394287799), (1111, 1997403545), (5555, 399480709)]