31919470

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1$

素因数の和:217

約数の個数: 64

約数和(自身を含む): 65567232

約数和(自身を除く): 33647762

約数列:

[1, 2, 5, 10, 11, 22, 55, 61, 67, 71, 110, 122, 134, 142, 305, 335, 355, 610, 670, 671, 710, 737, 781, 1342, 1474, 1562, 3355, 3685, 3905, 4087, 4331, 4757, 6710, 7370, 7810, 8174, 8662, 9514, 20435, 21655, 23785, 40870, 43310, 44957, 47570, 47641, 52327, 89914, 95282, 104654, 224785, 238205, 261635, 290177, 449570, 476410, 523270, 580354, 1450885, 2901770, 3191947, 6383894, 15959735, 31919470]

約数ペア:

[(1, 31919470), (2, 15959735), (5, 6383894), (10, 3191947), (11, 2901770), (22, 1450885), (55, 580354), (61, 523270), (67, 476410), (71, 449570), (110, 290177), (122, 261635), (134, 238205), (142, 224785), (305, 104654), (335, 95282), (355, 89914), (610, 52327), (670, 47641), (671, 47570), (710, 44957), (737, 43310), (781, 40870), (1342, 23785), (1474, 21655), (1562, 20435), (3355, 9514), (3685, 8662), (3905, 8174), (4087, 7810), (4331, 7370), (4757, 6710)]