81778942

素因数分解:

$2^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{191}}^1\times {\mathrm{257}}^1$

素因数の和:481

約数の個数: 48

約数和(自身を含む): 152471808

約数和(自身を除く): 70692866

約数列:

[1, 2, 7, 14, 17, 34, 49, 98, 119, 191, 238, 257, 382, 514, 833, 1337, 1666, 1799, 2674, 3247, 3598, 4369, 6494, 8738, 9359, 12593, 18718, 22729, 25186, 30583, 45458, 49087, 61166, 98174, 159103, 214081, 318206, 343609, 428162, 687218, 834479, 1668958, 2405263, 4810526, 5841353, 11682706, 40889471, 81778942]

約数ペア:

[(1, 81778942), (2, 40889471), (7, 11682706), (14, 5841353), (17, 4810526), (34, 2405263), (49, 1668958), (98, 834479), (119, 687218), (191, 428162), (238, 343609), (257, 318206), (382, 214081), (514, 159103), (833, 98174), (1337, 61166), (1666, 49087), (1799, 45458), (2674, 30583), (3247, 25186), (3598, 22729), (4369, 18718), (6494, 12593), (8738, 9359)]