820699978

素因数分解:

$2^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{22349}}^1$

素因数の和:22462

約数の個数: 32

約数和(自身を含む): 1463299200

約数和(自身を除く): 642599222

約数列:

[1, 2, 7, 14, 43, 61, 86, 122, 301, 427, 602, 854, 2623, 5246, 18361, 22349, 36722, 44698, 156443, 312886, 961007, 1363289, 1922014, 2726578, 6727049, 9543023, 13454098, 19086046, 58621427, 117242854, 410349989, 820699978]

約数ペア:

[(1, 820699978), (2, 410349989), (7, 117242854), (14, 58621427), (43, 19086046), (61, 13454098), (86, 9543023), (122, 6727049), (301, 2726578), (427, 1922014), (602, 1363289), (854, 961007), (2623, 312886), (5246, 156443), (18361, 44698), (22349, 36722)]