31406856

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{2341}}^1$

素因数の和:2406

約数の個数: 64

約数和(自身を含む): 86560320

約数和(自身を除く): 55153464

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 43, 52, 78, 86, 104, 129, 156, 172, 258, 312, 344, 516, 559, 1032, 1118, 1677, 2236, 2341, 3354, 4472, 4682, 6708, 7023, 9364, 13416, 14046, 18728, 28092, 30433, 56184, 60866, 91299, 100663, 121732, 182598, 201326, 243464, 301989, 365196, 402652, 603978, 730392, 805304, 1207956, 1308619, 2415912, 2617238, 3925857, 5234476, 7851714, 10468952, 15703428, 31406856]

約数ペア:

[(1, 31406856), (2, 15703428), (3, 10468952), (4, 7851714), (6, 5234476), (8, 3925857), (12, 2617238), (13, 2415912), (24, 1308619), (26, 1207956), (39, 805304), (43, 730392), (52, 603978), (78, 402652), (86, 365196), (104, 301989), (129, 243464), (156, 201326), (172, 182598), (258, 121732), (312, 100663), (344, 91299), (516, 60866), (559, 56184), (1032, 30433), (1118, 28092), (1677, 18728), (2236, 14046), (2341, 13416), (3354, 9364), (4472, 7023), (4682, 6708)]