81485668

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{131}}^1\times {\mathrm{211}}^1$

素因数の和:424

約数の個数: 48

約数和(自身を含む): 159844608

約数和(自身を除く): 78358940

約数列:

[1, 2, 4, 11, 22, 44, 67, 131, 134, 211, 262, 268, 422, 524, 737, 844, 1441, 1474, 2321, 2882, 2948, 4642, 5764, 8777, 9284, 14137, 17554, 27641, 28274, 35108, 55282, 56548, 96547, 110564, 155507, 193094, 304051, 311014, 386188, 608102, 622028, 1216204, 1851947, 3703894, 7407788, 20371417, 40742834, 81485668]

約数ペア:

[(1, 81485668), (2, 40742834), (4, 20371417), (11, 7407788), (22, 3703894), (44, 1851947), (67, 1216204), (131, 622028), (134, 608102), (211, 386188), (262, 311014), (268, 304051), (422, 193094), (524, 155507), (737, 110564), (844, 96547), (1441, 56548), (1474, 55282), (2321, 35108), (2882, 28274), (2948, 27641), (4642, 17554), (5764, 14137), (8777, 9284)]