7278890

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{911}}^1$

素因数の和:982

約数の個数: 32

約数和(自身を含む): 14183424

約数和(自身を除く): 6904534

約数列:

[1, 2, 5, 10, 17, 34, 47, 85, 94, 170, 235, 470, 799, 911, 1598, 1822, 3995, 4555, 7990, 9110, 15487, 30974, 42817, 77435, 85634, 154870, 214085, 428170, 727889, 1455778, 3639445, 7278890]

約数ペア:

[(1, 7278890), (2, 3639445), (5, 1455778), (10, 727889), (17, 428170), (34, 214085), (47, 154870), (85, 85634), (94, 77435), (170, 42817), (235, 30974), (470, 15487), (799, 9110), (911, 7990), (1598, 4555), (1822, 3995)]