2491979

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{487}}^1$

素因数の和:554

約数の個数: 16

約数和(自身を含む): 3091968

約数和(自身を除く): 599989

約数列:

[1, 7, 17, 43, 119, 301, 487, 731, 3409, 5117, 8279, 20941, 57953, 146587, 355997, 2491979]

約数ペア:

[(1, 2491979), (7, 355997), (17, 146587), (43, 57953), (119, 20941), (301, 8279), (487, 5117), (731, 3409)]