31087918

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{97}}^1$

素因数の和:268

約数の個数: 32

約数和(自身を含む): 49871808

約数和(自身を除く): 18783890

約数列:

[1, 2, 37, 61, 71, 74, 97, 122, 142, 194, 2257, 2627, 3589, 4331, 4514, 5254, 5917, 6887, 7178, 8662, 11834, 13774, 160247, 218929, 254819, 320494, 420107, 437858, 509638, 840214, 15543959, 31087918]

約数ペア:

[(1, 31087918), (2, 15543959), (37, 840214), (61, 509638), (71, 437858), (74, 420107), (97, 320494), (122, 254819), (142, 218929), (194, 160247), (2257, 13774), (2627, 11834), (3589, 8662), (4331, 7178), (4514, 6887), (5254, 5917)]