890506

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{271}}^1$

素因数の和:357

約数の個数: 16

約数和(自身を含む): 1410048

約数和(自身を除く): 519542

約数列:

[1, 2, 31, 53, 62, 106, 271, 542, 1643, 3286, 8401, 14363, 16802, 28726, 445253, 890506]

約数ペア:

[(1, 890506), (2, 445253), (31, 28726), (53, 16802), (62, 14363), (106, 8401), (271, 3286), (542, 1643)]