81772574

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{1097}}^1$

素因数の和:1220

約数の個数: 32

約数和(自身を含む): 137241216

約数和(自身を除く): 55468642

約数列:

[1, 2, 13, 26, 47, 61, 94, 122, 611, 793, 1097, 1222, 1586, 2194, 2867, 5734, 14261, 28522, 37271, 51559, 66917, 74542, 103118, 133834, 670267, 869921, 1340534, 1739842, 3145099, 6290198, 40886287, 81772574]

約数ペア:

[(1, 81772574), (2, 40886287), (13, 6290198), (26, 3145099), (47, 1739842), (61, 1340534), (94, 869921), (122, 670267), (611, 133834), (793, 103118), (1097, 74542), (1222, 66917), (1586, 51559), (2194, 37271), (2867, 28522), (5734, 14261)]