1644464

素因数分解:

$2^4\times {\mathrm{79}}^1\times {\mathrm{1301}}^1$

素因数の和:1388

約数の個数: 20

約数和(自身を含む): 3228960

約数和(自身を除く): 1584496

約数列:

[1, 2, 4, 8, 16, 79, 158, 316, 632, 1264, 1301, 2602, 5204, 10408, 20816, 102779, 205558, 411116, 822232, 1644464]

約数ペア:

[(1, 1644464), (2, 822232), (4, 411116), (8, 205558), (16, 102779), (79, 20816), (158, 10408), (316, 5204), (632, 2602), (1264, 1301)]