1399408045

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{67883}}^1$

素因数の和:67945

約数の個数: 32

約数和(自身を含む): 2085396480

約数和(自身を除く): 685988435

約数列:

[1, 5, 7, 19, 31, 35, 95, 133, 155, 217, 589, 665, 1085, 2945, 4123, 20615, 67883, 339415, 475181, 1289777, 2104373, 2375905, 6448885, 9028439, 10521865, 14730611, 39983087, 45142195, 73653055, 199915435, 279881609, 1399408045]

約数ペア:

[(1, 1399408045), (5, 279881609), (7, 199915435), (19, 73653055), (31, 45142195), (35, 39983087), (95, 14730611), (133, 10521865), (155, 9028439), (217, 6448885), (589, 2375905), (665, 2104373), (1085, 1289777), (2945, 475181), (4123, 339415), (20615, 67883)]