28908523

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{1319}}^1$

素因数の和:1458

約数の個数: 16

約数和(自身を含む): 34467840

約数和(自身を除く): 5559317

約数列:

[1, 7, 31, 101, 217, 707, 1319, 3131, 9233, 21917, 40889, 133219, 286223, 932533, 4129789, 28908523]

約数ペア:

[(1, 28908523), (7, 4129789), (31, 932533), (101, 286223), (217, 133219), (707, 40889), (1319, 21917), (3131, 9233)]