78905090

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{19387}}^1$

素因数の和:19442

約数の個数: 32

約数和(自身を含む): 159136704

約数和(自身を除く): 80231614

約数列:

[1, 2, 5, 10, 11, 22, 37, 55, 74, 110, 185, 370, 407, 814, 2035, 4070, 19387, 38774, 96935, 193870, 213257, 426514, 717319, 1066285, 1434638, 2132570, 3586595, 7173190, 7890509, 15781018, 39452545, 78905090]

約数ペア:

[(1, 78905090), (2, 39452545), (5, 15781018), (10, 7890509), (11, 7173190), (22, 3586595), (37, 2132570), (55, 1434638), (74, 1066285), (110, 717319), (185, 426514), (370, 213257), (407, 193870), (814, 96935), (2035, 38774), (4070, 19387)]