30711961

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{79}}^2$

素因数の和:221

約数の個数: 24

約数和(自身を含む): 38431680

約数和(自身を除く): 7719719

約数列:

[1, 7, 19, 37, 79, 133, 259, 553, 703, 1501, 2923, 4921, 6241, 10507, 20461, 43687, 55537, 118579, 230917, 388759, 830053, 1616419, 4387423, 30711961]

約数ペア:

[(1, 30711961), (7, 4387423), (19, 1616419), (37, 830053), (79, 388759), (133, 230917), (259, 118579), (553, 55537), (703, 43687), (1501, 20461), (2923, 10507), (4921, 6241)]