86809765

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{4211}}^1$

素因数の和:4273

約数の個数: 32

約数和(自身を含む): 129392640

約数和(自身を除く): 42582875

約数列:

[1, 5, 7, 19, 31, 35, 95, 133, 155, 217, 589, 665, 1085, 2945, 4123, 4211, 20615, 21055, 29477, 80009, 130541, 147385, 400045, 560063, 652705, 913787, 2480279, 2800315, 4568935, 12401395, 17361953, 86809765]

約数ペア:

[(1, 86809765), (5, 17361953), (7, 12401395), (19, 4568935), (31, 2800315), (35, 2480279), (95, 913787), (133, 652705), (155, 560063), (217, 400045), (589, 147385), (665, 130541), (1085, 80009), (2945, 29477), (4123, 21055), (4211, 20615)]