320480498

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{15427}}^1$

素因数の和:15506

約数の個数: 32

約数和(自身を含む): 559851264

約数和(自身を除く): 239370766

約数列:

[1, 2, 13, 17, 26, 34, 47, 94, 221, 442, 611, 799, 1222, 1598, 10387, 15427, 20774, 30854, 200551, 262259, 401102, 524518, 725069, 1450138, 3409367, 6818734, 9425897, 12326173, 18851794, 24652346, 160240249, 320480498]

約数ペア:

[(1, 320480498), (2, 160240249), (13, 24652346), (17, 18851794), (26, 12326173), (34, 9425897), (47, 6818734), (94, 3409367), (221, 1450138), (442, 725069), (611, 524518), (799, 401102), (1222, 262259), (1598, 200551), (10387, 30854), (15427, 20774)]