216281233

素因数分解:

$7^1\times {\mathrm{223}}^1\times {\mathrm{349}}^1\times {\mathrm{397}}^1$

素因数の和:976

約数の個数: 16

約数和(自身を含む): 249625600

約数和(自身を除く): 33344367

約数列:

[1, 7, 223, 349, 397, 1561, 2443, 2779, 77827, 88531, 138553, 544789, 619717, 969871, 30897319, 216281233]

約数ペア:

[(1, 216281233), (7, 30897319), (223, 969871), (349, 619717), (397, 544789), (1561, 138553), (2443, 88531), (2779, 77827)]