81671284

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{97}}^1\times {\mathrm{5689}}^1$

素因数の和:5827

約数の個数: 24

約数和(自身を含む): 148326920

約数和(自身を除く): 66655636

約数列:

[1, 2, 4, 37, 74, 97, 148, 194, 388, 3589, 5689, 7178, 11378, 14356, 22756, 210493, 420986, 551833, 841972, 1103666, 2207332, 20417821, 40835642, 81671284]

約数ペア:

[(1, 81671284), (2, 40835642), (4, 20417821), (37, 2207332), (74, 1103666), (97, 841972), (148, 551833), (194, 420986), (388, 210493), (3589, 22756), (5689, 14356), (7178, 11378)]