7985890

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{3821}}^1$

素因数の和:3858

約数の個数: 32

約数和(自身を含む): 16511040

約数和(自身を除く): 8525150

約数列:

[1, 2, 5, 10, 11, 19, 22, 38, 55, 95, 110, 190, 209, 418, 1045, 2090, 3821, 7642, 19105, 38210, 42031, 72599, 84062, 145198, 210155, 362995, 420310, 725990, 798589, 1597178, 3992945, 7985890]

約数ペア:

[(1, 7985890), (2, 3992945), (5, 1597178), (10, 798589), (11, 725990), (19, 420310), (22, 362995), (38, 210155), (55, 145198), (95, 84062), (110, 72599), (190, 42031), (209, 38210), (418, 19105), (1045, 7642), (2090, 3821)]