17621945

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{401}}^1$

素因数の和:481

約数の個数: 32

約数和(自身を含む): 25007616

約数和(自身を除く): 7385671

約数列:

[1, 5, 11, 17, 47, 55, 85, 187, 235, 401, 517, 799, 935, 2005, 2585, 3995, 4411, 6817, 8789, 18847, 22055, 34085, 43945, 74987, 94235, 207317, 320399, 374935, 1036585, 1601995, 3524389, 17621945]

約数ペア:

[(1, 17621945), (5, 3524389), (11, 1601995), (17, 1036585), (47, 374935), (55, 320399), (85, 207317), (187, 94235), (235, 74987), (401, 43945), (517, 34085), (799, 22055), (935, 18847), (2005, 8789), (2585, 6817), (3995, 4411)]