78867976

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{691}}^1\times {\mathrm{1297}}^1$

素因数の和:2005

約数の個数: 32

約数和(自身を含む): 161678880

約数和(自身を除く): 82810904

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 691, 1297, 1382, 2594, 2764, 5188, 5528, 7601, 10376, 14267, 15202, 28534, 30404, 57068, 60808, 114136, 896227, 1792454, 3584908, 7169816, 9858497, 19716994, 39433988, 78867976]

約数ペア:

[(1, 78867976), (2, 39433988), (4, 19716994), (8, 9858497), (11, 7169816), (22, 3584908), (44, 1792454), (88, 896227), (691, 114136), (1297, 60808), (1382, 57068), (2594, 30404), (2764, 28534), (5188, 15202), (5528, 14267), (7601, 10376)]