28109015

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{7001}}^1$

素因数の和:7090

約数の個数: 16

約数和(自身を含む): 37306656

約数和(自身を除く): 9197641

約数列:

[1, 5, 11, 55, 73, 365, 803, 4015, 7001, 35005, 77011, 385055, 511073, 2555365, 5621803, 28109015]

約数ペア:

[(1, 28109015), (5, 5621803), (11, 2555365), (55, 511073), (73, 385055), (365, 77011), (803, 35005), (4015, 7001)]