81642778

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{8179}}^1$

素因数の和:8242

約数の個数: 32

約数和(自身を含む): 150773760

約数和(自身を除く): 69130982

約数列:

[1, 2, 7, 14, 23, 31, 46, 62, 161, 217, 322, 434, 713, 1426, 4991, 8179, 9982, 16358, 57253, 114506, 188117, 253549, 376234, 507098, 1316819, 1774843, 2633638, 3549686, 5831627, 11663254, 40821389, 81642778]

約数ペア:

[(1, 81642778), (2, 40821389), (7, 11663254), (14, 5831627), (23, 3549686), (31, 2633638), (46, 1774843), (62, 1316819), (161, 507098), (217, 376234), (322, 253549), (434, 188117), (713, 114506), (1426, 57253), (4991, 16358), (8179, 9982)]