71721538

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{9721}}^1$

素因数の和:9778

約数の個数: 32

約数和(自身を含む): 134396928

約数和(自身を除く): 62675390

約数列:

[1, 2, 7, 14, 17, 31, 34, 62, 119, 217, 238, 434, 527, 1054, 3689, 7378, 9721, 19442, 68047, 136094, 165257, 301351, 330514, 602702, 1156799, 2109457, 2313598, 4218914, 5122967, 10245934, 35860769, 71721538]

約数ペア:

[(1, 71721538), (2, 35860769), (7, 10245934), (14, 5122967), (17, 4218914), (31, 2313598), (34, 2109457), (62, 1156799), (119, 602702), (217, 330514), (238, 301351), (434, 165257), (527, 136094), (1054, 68047), (3689, 19442), (7378, 9721)]