128440914

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{71119}}^1$

素因数の和:71174

約数の個数: 32

約数和(自身を含む): 300410880

約数和(自身を除く): 171969966

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 43, 86, 129, 258, 301, 602, 903, 1806, 71119, 142238, 213357, 426714, 497833, 995666, 1493499, 2986998, 3058117, 6116234, 9174351, 18348702, 21406819, 42813638, 64220457, 128440914]

約数ペア:

[(1, 128440914), (2, 64220457), (3, 42813638), (6, 21406819), (7, 18348702), (14, 9174351), (21, 6116234), (42, 3058117), (43, 2986998), (86, 1493499), (129, 995666), (258, 497833), (301, 426714), (602, 213357), (903, 142238), (1806, 71119)]