1891124338271

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{349}}^1\times {\mathrm{40742063}}^1$

素因数の和:40742438

約数の個数: 16

約数和(自身を含む): 2281555584000

約数和(自身を除く): 390431245729

約数列:

[1, 7, 19, 133, 349, 2443, 6631, 46417, 40742063, 285194441, 774099197, 5418694379, 14218979987, 99532859909, 270160619753, 1891124338271]

約数ペア:

[(1, 1891124338271), (7, 270160619753), (19, 99532859909), (133, 14218979987), (349, 5418694379), (2443, 774099197), (6631, 285194441), (46417, 40742063)]