17647718

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{139}}^1\times {\mathrm{199}}^1$

素因数の和:380

約数の個数: 32

約数和(自身を含む): 30240000

約数和(自身を除く): 12592282

約数列:

[1, 2, 11, 22, 29, 58, 139, 199, 278, 319, 398, 638, 1529, 2189, 3058, 4031, 4378, 5771, 8062, 11542, 27661, 44341, 55322, 63481, 88682, 126962, 304271, 608542, 802169, 1604338, 8823859, 17647718]

約数ペア:

[(1, 17647718), (2, 8823859), (11, 1604338), (22, 802169), (29, 608542), (58, 304271), (139, 126962), (199, 88682), (278, 63481), (319, 55322), (398, 44341), (638, 27661), (1529, 11542), (2189, 8062), (3058, 5771), (4031, 4378)]