389214145

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{283}}^1\times {\mathrm{467}}^1$

素因数の和:805

約数の個数: 32

約数和(自身を含む): 510382080

約数和(自身を除く): 121167935

約数列:

[1, 5, 19, 31, 95, 155, 283, 467, 589, 1415, 2335, 2945, 5377, 8773, 8873, 14477, 26885, 43865, 44365, 72385, 132161, 166687, 275063, 660805, 833435, 1375315, 2511059, 4096991, 12555295, 20484955, 77842829, 389214145]

約数ペア:

[(1, 389214145), (5, 77842829), (19, 20484955), (31, 12555295), (95, 4096991), (155, 2511059), (283, 1375315), (467, 833435), (589, 660805), (1415, 275063), (2335, 166687), (2945, 132161), (5377, 72385), (8773, 44365), (8873, 43865), (14477, 26885)]