81361254

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{19681}}^1$

素因数の和:19752

約数の個数: 32

約数和(自身を含む): 178555104

約数和(自身を除く): 97193850

約数列:

[1, 2, 3, 6, 13, 26, 39, 53, 78, 106, 159, 318, 689, 1378, 2067, 4134, 19681, 39362, 59043, 118086, 255853, 511706, 767559, 1043093, 1535118, 2086186, 3129279, 6258558, 13560209, 27120418, 40680627, 81361254]

約数ペア:

[(1, 81361254), (2, 40680627), (3, 27120418), (6, 13560209), (13, 6258558), (26, 3129279), (39, 2086186), (53, 1535118), (78, 1043093), (106, 767559), (159, 511706), (318, 255853), (689, 118086), (1378, 59043), (2067, 39362), (4134, 19681)]