86974685

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{4219}}^1$

素因数の和:4281

約数の個数: 32

約数和(自身を含む): 129638400

約数和(自身を除く): 42663715

約数列:

[1, 5, 7, 19, 31, 35, 95, 133, 155, 217, 589, 665, 1085, 2945, 4123, 4219, 20615, 21095, 29533, 80161, 130789, 147665, 400805, 561127, 653945, 915523, 2484991, 2805635, 4577615, 12424955, 17394937, 86974685]

約数ペア:

[(1, 86974685), (5, 17394937), (7, 12424955), (19, 4577615), (31, 2805635), (35, 2484991), (95, 915523), (133, 653945), (155, 561127), (217, 400805), (589, 147665), (665, 130789), (1085, 80161), (2945, 29533), (4123, 21095), (4219, 20615)]