16221370

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1$

素因数の和:187

約数の個数: 64

約数和(自身を含む): 33841152

約数和(自身を除く): 17619782

約数列:

[1, 2, 5, 10, 11, 22, 31, 55, 62, 67, 71, 110, 134, 142, 155, 310, 335, 341, 355, 670, 682, 710, 737, 781, 1474, 1562, 1705, 2077, 2201, 3410, 3685, 3905, 4154, 4402, 4757, 7370, 7810, 9514, 10385, 11005, 20770, 22010, 22847, 23785, 24211, 45694, 47570, 48422, 52327, 104654, 114235, 121055, 147467, 228470, 242110, 261635, 294934, 523270, 737335, 1474670, 1622137, 3244274, 8110685, 16221370]

約数ペア:

[(1, 16221370), (2, 8110685), (5, 3244274), (10, 1622137), (11, 1474670), (22, 737335), (31, 523270), (55, 294934), (62, 261635), (67, 242110), (71, 228470), (110, 147467), (134, 121055), (142, 114235), (155, 104654), (310, 52327), (335, 48422), (341, 47570), (355, 45694), (670, 24211), (682, 23785), (710, 22847), (737, 22010), (781, 20770), (1474, 11005), (1562, 10385), (1705, 9514), (2077, 7810), (2201, 7370), (3410, 4757), (3685, 4402), (3905, 4154)]