78941156

素因数分解:

$2^2\times 7^2\times {\mathrm{402761}}^1$

素因数の和:402779

約数の個数: 18

約数和(自身を含む): 160702038

約数和(自身を除く): 81760882

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 402761, 805522, 1611044, 2819327, 5638654, 11277308, 19735289, 39470578, 78941156]

約数ペア:

[(1, 78941156), (2, 39470578), (4, 19735289), (7, 11277308), (14, 5638654), (28, 2819327), (49, 1611044), (98, 805522), (196, 402761)]