2618990

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{821}}^1$

素因数の和:868

約数の個数: 32

約数和(自身を含む): 5326560

約数和(自身を除く): 2707570

約数列:

[1, 2, 5, 10, 11, 22, 29, 55, 58, 110, 145, 290, 319, 638, 821, 1595, 1642, 3190, 4105, 8210, 9031, 18062, 23809, 45155, 47618, 90310, 119045, 238090, 261899, 523798, 1309495, 2618990]

約数ペア:

[(1, 2618990), (2, 1309495), (5, 523798), (10, 261899), (11, 238090), (22, 119045), (29, 90310), (55, 47618), (58, 45155), (110, 23809), (145, 18062), (290, 9031), (319, 8210), (638, 4105), (821, 3190), (1595, 1642)]