81920874

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{197}}^1\times {\mathrm{9901}}^1$

素因数の和:10110

約数の個数: 32

約数和(自身を含む): 188217216

約数和(自身を除く): 106296342

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 197, 394, 591, 1182, 1379, 2758, 4137, 8274, 9901, 19802, 29703, 59406, 69307, 138614, 207921, 415842, 1950497, 3900994, 5851491, 11702982, 13653479, 27306958, 40960437, 81920874]

約数ペア:

[(1, 81920874), (2, 40960437), (3, 27306958), (6, 13653479), (7, 11702982), (14, 5851491), (21, 3900994), (42, 1950497), (197, 415842), (394, 207921), (591, 138614), (1182, 69307), (1379, 59406), (2758, 29703), (4137, 19802), (8274, 9901)]