30986291

素因数分解:

$7^1\times {\mathrm{17}}^4\times {\mathrm{53}}^1$

素因数の和:128

約数の個数: 20

約数和(自身を含む): 38336112

約数和(自身を除く): 7349821

約数列:

[1, 7, 17, 53, 119, 289, 371, 901, 2023, 4913, 6307, 15317, 34391, 83521, 107219, 260389, 584647, 1822723, 4426613, 30986291]

約数ペア:

[(1, 30986291), (7, 4426613), (17, 1822723), (53, 584647), (119, 260389), (289, 107219), (371, 83521), (901, 34391), (2023, 15317), (4913, 6307)]