198165605

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{151}}^1\times {\mathrm{223}}^1$

素因数の和:497

約数の個数: 32

約数和(自身を含む): 264757248

約数和(自身を除く): 66591643

約数列:

[1, 5, 11, 55, 107, 151, 223, 535, 755, 1115, 1177, 1661, 2453, 5885, 8305, 12265, 16157, 23861, 33673, 80785, 119305, 168365, 177727, 262471, 370403, 888635, 1312355, 1852015, 3603011, 18015055, 39633121, 198165605]

約数ペア:

[(1, 198165605), (5, 39633121), (11, 18015055), (55, 3603011), (107, 1852015), (151, 1312355), (223, 888635), (535, 370403), (755, 262471), (1115, 177727), (1177, 168365), (1661, 119305), (2453, 80785), (5885, 33673), (8305, 23861), (12265, 16157)]