642005566

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{2003}}^1\times {\mathrm{3727}}^1$

素因数の和:5775

約数の個数: 16

約数和(自身を含む): 986160384

約数和(自身を除く): 344154818

約数列:

[1, 2, 43, 86, 2003, 3727, 4006, 7454, 86129, 160261, 172258, 320522, 7465181, 14930362, 321002783, 642005566]

約数ペア:

[(1, 642005566), (2, 321002783), (43, 14930362), (86, 7465181), (2003, 320522), (3727, 172258), (4006, 160261), (7454, 86129)]