81005158

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{151}}^1\times {\mathrm{439}}^1$

素因数の和:652

約数の個数: 32

約数和(自身を含む): 134830080

約数和(自身を除く): 53824922

約数列:

[1, 2, 13, 26, 47, 94, 151, 302, 439, 611, 878, 1222, 1963, 3926, 5707, 7097, 11414, 14194, 20633, 41266, 66289, 92261, 132578, 184522, 268229, 536458, 861757, 1723514, 3115583, 6231166, 40502579, 81005158]

約数ペア:

[(1, 81005158), (2, 40502579), (13, 6231166), (26, 3115583), (47, 1723514), (94, 861757), (151, 536458), (302, 268229), (439, 184522), (611, 132578), (878, 92261), (1222, 66289), (1963, 41266), (3926, 20633), (5707, 14194), (7097, 11414)]