128216884

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{149}}^1\times {\mathrm{5003}}^1$

素因数の和:5199

約数の個数: 24

約数和(自身を含む): 231184800

約数和(自身を除く): 102967916

約数列:

[1, 2, 4, 43, 86, 149, 172, 298, 596, 5003, 6407, 10006, 12814, 20012, 25628, 215129, 430258, 745447, 860516, 1490894, 2981788, 32054221, 64108442, 128216884]

約数ペア:

[(1, 128216884), (2, 64108442), (4, 32054221), (43, 2981788), (86, 1490894), (149, 860516), (172, 745447), (298, 430258), (596, 215129), (5003, 25628), (6407, 20012), (10006, 12814)]