1990448

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{4013}}^1$

素因数の和:4052

約数の個数: 20

約数和(自身を含む): 3981888

約数和(自身を除く): 1991440

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 4013, 8026, 16052, 32104, 64208, 124403, 248806, 497612, 995224, 1990448]

約数ペア:

[(1, 1990448), (2, 995224), (4, 497612), (8, 248806), (16, 124403), (31, 64208), (62, 32104), (124, 16052), (248, 8026), (496, 4013)]