1392985

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1$

素因数の和:109

約数の個数: 32

約数和(自身を含む): 2027520

約数和(自身を除く): 634535

約数列:

[1, 5, 11, 19, 31, 43, 55, 95, 155, 209, 215, 341, 473, 589, 817, 1045, 1333, 1705, 2365, 2945, 4085, 6479, 6665, 8987, 14663, 25327, 32395, 44935, 73315, 126635, 278597, 1392985]

約数ペア:

[(1, 1392985), (5, 278597), (11, 126635), (19, 73315), (31, 44935), (43, 32395), (55, 25327), (95, 14663), (155, 8987), (209, 6665), (215, 6479), (341, 4085), (473, 2945), (589, 2365), (817, 1705), (1045, 1333)]