338494429

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{61}}^1\times {\mathrm{211}}^1$

素因数の和:326

約数の個数: 48

約数和(自身を含む): 451943296

約数和(自身を除く): 113448867

約数列:

[1, 7, 13, 17, 61, 91, 119, 211, 221, 289, 427, 793, 1037, 1477, 1547, 2023, 2743, 3587, 3757, 5551, 7259, 12871, 13481, 17629, 19201, 25109, 26299, 46631, 60979, 90097, 94367, 123403, 167323, 218807, 229177, 326417, 426853, 792727, 1171261, 1531649, 1604239, 2844491, 3719719, 5549089, 19911437, 26038033, 48356347, 338494429]

約数ペア:

[(1, 338494429), (7, 48356347), (13, 26038033), (17, 19911437), (61, 5549089), (91, 3719719), (119, 2844491), (211, 1604239), (221, 1531649), (289, 1171261), (427, 792727), (793, 426853), (1037, 326417), (1477, 229177), (1547, 218807), (2023, 167323), (2743, 123403), (3587, 94367), (3757, 90097), (5551, 60979), (7259, 46631), (12871, 26299), (13481, 25109), (17629, 19201)]