1689997473647

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{17579}}^1\times {\mathrm{10303}}^1$

素因数の和:27963

約数の個数: 32

約数和(自身を含む): 2040409620480

約数和(自身を除く): 350412146833

約数列:

[1, 7, 31, 43, 217, 301, 1333, 9331, 10303, 17579, 72121, 123053, 319393, 443029, 544949, 755897, 2235751, 3101203, 3814643, 5291279, 13733899, 23432807, 96137293, 164029649, 181116437, 1267815059, 5614609547, 7788006791, 39302266829, 54516047537, 241428210521, 1689997473647]

約数ペア:

[(1, 1689997473647), (7, 241428210521), (31, 54516047537), (43, 39302266829), (217, 7788006791), (301, 5614609547), (1333, 1267815059), (9331, 181116437), (10303, 164029649), (17579, 96137293), (72121, 23432807), (123053, 13733899), (319393, 5291279), (443029, 3814643), (544949, 3101203), (755897, 2235751)]