2105272

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{653}}^1$

素因数の和:703

約数の個数: 32

約数和(自身を含む): 4394880

約数和(自身を除く): 2289608

約数列:

[1, 2, 4, 8, 13, 26, 31, 52, 62, 104, 124, 248, 403, 653, 806, 1306, 1612, 2612, 3224, 5224, 8489, 16978, 20243, 33956, 40486, 67912, 80972, 161944, 263159, 526318, 1052636, 2105272]

約数ペア:

[(1, 2105272), (2, 1052636), (4, 526318), (8, 263159), (13, 161944), (26, 80972), (31, 67912), (52, 40486), (62, 33956), (104, 20243), (124, 16978), (248, 8489), (403, 5224), (653, 3224), (806, 2612), (1306, 1612)]