211316119

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{107}}^1\times {\mathrm{479}}^1$

素因数の和:643

約数の個数: 32

約数和(自身を含む): 265420800

約数和(自身を除く): 54104681

約数列:

[1, 7, 19, 31, 107, 133, 217, 479, 589, 749, 2033, 3317, 3353, 4123, 9101, 14231, 14849, 23219, 51253, 63023, 63707, 103943, 282131, 358771, 441161, 973807, 1588843, 1974917, 6816649, 11121901, 30188017, 211316119]

約数ペア:

[(1, 211316119), (7, 30188017), (19, 11121901), (31, 6816649), (107, 1974917), (133, 1588843), (217, 973807), (479, 441161), (589, 358771), (749, 282131), (2033, 103943), (3317, 63707), (3353, 63023), (4123, 51253), (9101, 23219), (14231, 14849)]