256162161

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{163}}^1\times {\mathrm{349}}^1$

素因数の和:613

約数の個数: 32

約数和(自身を含む): 367360000

約数和(自身を除く): 111197839

約数列:

[1, 3, 19, 57, 79, 163, 237, 349, 489, 1047, 1501, 3097, 4503, 6631, 9291, 12877, 19893, 27571, 38631, 56887, 82713, 170661, 244663, 523849, 733989, 1080853, 1571547, 3242559, 4494073, 13482219, 85387387, 256162161]

約数ペア:

[(1, 256162161), (3, 85387387), (19, 13482219), (57, 4494073), (79, 3242559), (163, 1571547), (237, 1080853), (349, 733989), (489, 523849), (1047, 244663), (1501, 170661), (3097, 82713), (4503, 56887), (6631, 38631), (9291, 27571), (12877, 19893)]