2151565

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{419}}^1$

素因数の和:516

約数の個数: 16

約数和(自身を含む): 2822400

約数和(自身を除く): 670835

約数列:

[1, 5, 13, 65, 79, 395, 419, 1027, 2095, 5135, 5447, 27235, 33101, 165505, 430313, 2151565]

約数ペア:

[(1, 2151565), (5, 430313), (13, 165505), (65, 33101), (79, 27235), (395, 5447), (419, 5135), (1027, 2095)]