81041926

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{389}}^1\times {\mathrm{647}}^1$

素因数の和:1068

約数の個数: 32

約数和(自身を含む): 145566720

約数和(自身を除く): 64524794

約数列:

[1, 2, 7, 14, 23, 46, 161, 322, 389, 647, 778, 1294, 2723, 4529, 5446, 8947, 9058, 14881, 17894, 29762, 62629, 104167, 125258, 208334, 251683, 503366, 1761781, 3523562, 5788709, 11577418, 40520963, 81041926]

約数ペア:

[(1, 81041926), (2, 40520963), (7, 11577418), (14, 5788709), (23, 3523562), (46, 1761781), (161, 503366), (322, 251683), (389, 208334), (647, 125258), (778, 104167), (1294, 62629), (2723, 29762), (4529, 17894), (5446, 14881), (8947, 9058)]