1390000505

素因数分解:

$5^1\times {\mathrm{173}}^1\times {\mathrm{311}}^1\times {\mathrm{5167}}^1$

素因数の和:5656

約数の個数: 16

約数和(自身を含む): 1683362304

約数和(自身を除く): 293361799

約数列:

[1, 5, 173, 311, 865, 1555, 5167, 25835, 53803, 269015, 893891, 1606937, 4469455, 8034685, 278000101, 1390000505]

約数ペア:

[(1, 1390000505), (5, 278000101), (173, 8034685), (311, 4469455), (865, 1606937), (1555, 893891), (5167, 269015), (25835, 53803)]