28920715

素因数分解:

$5^1\times {\mathrm{79}}^1\times {\mathrm{211}}^1\times {\mathrm{347}}^1$

素因数の和:642

約数の個数: 16

約数和(自身を含む): 35412480

約数和(自身を除く): 6491765

約数列:

[1, 5, 79, 211, 347, 395, 1055, 1735, 16669, 27413, 73217, 83345, 137065, 366085, 5784143, 28920715]

約数ペア:

[(1, 28920715), (5, 5784143), (79, 366085), (211, 137065), (347, 83345), (395, 73217), (1055, 27413), (1735, 16669)]