13880735

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{359}}^1$

素因数の和:431

約数の個数: 32

約数和(自身を含む): 19699200

約数和(自身を除く): 5818465

約数列:

[1, 5, 11, 19, 37, 55, 95, 185, 209, 359, 407, 703, 1045, 1795, 2035, 3515, 3949, 6821, 7733, 13283, 19745, 34105, 38665, 66415, 75031, 146113, 252377, 375155, 730565, 1261885, 2776147, 13880735]

約数ペア:

[(1, 13880735), (5, 2776147), (11, 1261885), (19, 730565), (37, 375155), (55, 252377), (95, 146113), (185, 75031), (209, 66415), (359, 38665), (407, 34105), (703, 19745), (1045, 13283), (1795, 7733), (2035, 6821), (3515, 3949)]