1378777897

素因数分解:

$7^1\times {\mathrm{71}}^1\times {\mathrm{349}}^1\times {\mathrm{7949}}^1$

素因数の和:8376

約数の個数: 16

約数和(自身を含む): 1602720000

約数和(自身を除く): 223942103

約数列:

[1, 7, 71, 349, 497, 2443, 7949, 24779, 55643, 173453, 564379, 2774201, 3950653, 19419407, 196968271, 1378777897]

約数ペア:

[(1, 1378777897), (7, 196968271), (71, 19419407), (349, 3950653), (497, 2774201), (2443, 564379), (7949, 173453), (24779, 55643)]