890032754

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{173}}^1\times {\mathrm{491}}^1$

素因数の和:723

約数の個数: 48

約数和(自身を含む): 1503961344

約数和(自身を除く): 613928590

約数列:

[1, 2, 13, 26, 31, 62, 169, 173, 338, 346, 403, 491, 806, 982, 2249, 4498, 5239, 5363, 6383, 10478, 10726, 12766, 15221, 29237, 30442, 58474, 69719, 82979, 84943, 139438, 165958, 169886, 197873, 395746, 906347, 1104259, 1812694, 2208518, 2572349, 2633233, 5144698, 5266466, 14355367, 28710734, 34232029, 68464058, 445016377, 890032754]

約数ペア:

[(1, 890032754), (2, 445016377), (13, 68464058), (26, 34232029), (31, 28710734), (62, 14355367), (169, 5266466), (173, 5144698), (338, 2633233), (346, 2572349), (403, 2208518), (491, 1812694), (806, 1104259), (982, 906347), (2249, 395746), (4498, 197873), (5239, 169886), (5363, 165958), (6383, 139438), (10478, 84943), (10726, 82979), (12766, 69719), (15221, 58474), (29237, 30442)]