690866

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{1013}}^1$

素因数の和:1057

約数の個数: 16

約数和(自身を含む): 1168128

約数和(自身を除く): 477262

約数列:

[1, 2, 11, 22, 31, 62, 341, 682, 1013, 2026, 11143, 22286, 31403, 62806, 345433, 690866]

約数ペア:

[(1, 690866), (2, 345433), (11, 62806), (22, 31403), (31, 22286), (62, 11143), (341, 2026), (682, 1013)]