72116891

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{947}}^1$

素因数の和:1031

約数の個数: 32

約数和(自身を含む): 96104448

約数和(自身を除く): 23987557

約数列:

[1, 7, 11, 23, 43, 77, 161, 253, 301, 473, 947, 989, 1771, 3311, 6629, 6923, 10417, 10879, 21781, 40721, 72919, 76153, 152467, 239591, 285047, 447931, 936583, 1677137, 3135517, 6556081, 10302413, 72116891]

約数ペア:

[(1, 72116891), (7, 10302413), (11, 6556081), (23, 3135517), (43, 1677137), (77, 936583), (161, 447931), (253, 285047), (301, 239591), (473, 152467), (947, 76153), (989, 72919), (1771, 40721), (3311, 21781), (6629, 10879), (6923, 10417)]