221465279

素因数分解:

$7^1\times {\mathrm{269}}^1\times {\mathrm{337}}^1\times {\mathrm{349}}^1$

素因数の和:962

約数の個数: 16

約数和(自身を含む): 255528000

約数和(自身を除く): 34062721

約数列:

[1, 7, 269, 337, 349, 1883, 2359, 2443, 90653, 93881, 117613, 634571, 657167, 823291, 31637897, 221465279]

約数ペア:

[(1, 221465279), (7, 31637897), (269, 823291), (337, 657167), (349, 634571), (1883, 117613), (2359, 93881), (2443, 90653)]