891603215

素因数分解:

$5^1\times {\mathrm{19}}^2\times {\mathrm{307}}^1\times {\mathrm{1609}}^1$

素因数の和:1959

約数の個数: 24

約数和(自身を含む): 1133581680

約数和(自身を除く): 241978465

約数列:

[1, 5, 19, 95, 307, 361, 1535, 1609, 1805, 5833, 8045, 29165, 30571, 110827, 152855, 493963, 554135, 580849, 2469815, 2904245, 9385297, 46926485, 178320643, 891603215]

約数ペア:

[(1, 891603215), (5, 178320643), (19, 46926485), (95, 9385297), (307, 2904245), (361, 2469815), (1535, 580849), (1609, 554135), (1805, 493963), (5833, 152855), (8045, 110827), (29165, 30571)]