165661855

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{1531}}^1$

素因数の和:1639

約数の個数: 32

約数和(自身を含む): 225020160

約数和(自身を除く): 59358305

約数列:

[1, 5, 17, 19, 67, 85, 95, 323, 335, 1139, 1273, 1531, 1615, 5695, 6365, 7655, 21641, 26027, 29089, 102577, 108205, 130135, 145445, 494513, 512885, 1743809, 1948963, 2472565, 8719045, 9744815, 33132371, 165661855]

約数ペア:

[(1, 165661855), (5, 33132371), (17, 9744815), (19, 8719045), (67, 2472565), (85, 1948963), (95, 1743809), (323, 512885), (335, 494513), (1139, 145445), (1273, 130135), (1531, 108205), (1615, 102577), (5695, 29089), (6365, 26027), (7655, 21641)]