12721253

素因数分解:

${\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{239}}^1$

素因数の和:388

約数の個数: 16

約数和(自身を含む): 14100480

約数和(自身を除く): 1379227

約数列:

[1, 17, 31, 101, 239, 527, 1717, 3131, 4063, 7409, 24139, 53227, 125953, 410363, 748309, 12721253]

約数ペア:

[(1, 12721253), (17, 748309), (31, 410363), (101, 125953), (239, 53227), (527, 24139), (1717, 7409), (3131, 4063)]