81153976

素因数分解:

$2^3\times {\mathrm{131}}^1\times {\mathrm{211}}^1\times {\mathrm{367}}^1$

素因数の和:715

約数の個数: 32

約数和(自身を含む): 154471680

約数和(自身を除く): 73317704

約数列:

[1, 2, 4, 8, 131, 211, 262, 367, 422, 524, 734, 844, 1048, 1468, 1688, 2936, 27641, 48077, 55282, 77437, 96154, 110564, 154874, 192308, 221128, 309748, 384616, 619496, 10144247, 20288494, 40576988, 81153976]

約数ペア:

[(1, 81153976), (2, 40576988), (4, 20288494), (8, 10144247), (131, 619496), (211, 384616), (262, 309748), (367, 221128), (422, 192308), (524, 154874), (734, 110564), (844, 96154), (1048, 77437), (1468, 55282), (1688, 48077), (2936, 27641)]