638945159582

素因数分解:

$2^1\times {\mathrm{109}}^1\times {\mathrm{203213}}^1\times {\mathrm{14423}}^1$

素因数の和:217747

約数の個数: 16

約数和(自身を含む): 967282382880

約数和(自身を除く): 328337223298

約数列:

[1, 2, 109, 218, 14423, 28846, 203213, 406426, 1572107, 3144214, 22150217, 44300434, 2930941099, 5861882198, 319472579791, 638945159582]

約数ペア:

[(1, 638945159582), (2, 319472579791), (109, 5861882198), (218, 2930941099), (14423, 44300434), (28846, 22150217), (203213, 3144214), (406426, 1572107)]