279989738

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{25673}}^1$

素因数の和:25742

約数の個数: 32

約数和(自身を含む): 517587840

約数和(自身を除く): 237598102

約数列:

[1, 2, 7, 14, 19, 38, 41, 82, 133, 266, 287, 574, 779, 1558, 5453, 10906, 25673, 51346, 179711, 359422, 487787, 975574, 1052593, 2105186, 3414509, 6829018, 7368151, 14736302, 19999267, 39998534, 139994869, 279989738]

約数ペア:

[(1, 279989738), (2, 139994869), (7, 39998534), (14, 19999267), (19, 14736302), (38, 7368151), (41, 6829018), (82, 3414509), (133, 2105186), (266, 1052593), (287, 975574), (574, 487787), (779, 359422), (1558, 179711), (5453, 51346), (10906, 25673)]