8390837

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{211}}^1$

素因数の和:273

約数の個数: 32

約数和(自身を含む): 11397120

約数和(自身を除く): 3006283

約数列:

[1, 7, 13, 19, 23, 91, 133, 161, 211, 247, 299, 437, 1477, 1729, 2093, 2743, 3059, 4009, 4853, 5681, 19201, 28063, 33971, 39767, 52117, 63089, 92207, 364819, 441623, 645449, 1198691, 8390837]

約数ペア:

[(1, 8390837), (7, 1198691), (13, 645449), (19, 441623), (23, 364819), (91, 92207), (133, 63089), (161, 52117), (211, 39767), (247, 33971), (299, 28063), (437, 19201), (1477, 5681), (1729, 4853), (2093, 4009), (2743, 3059)]