27881854

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{733}}^1$

素因数の和:785

約数の個数: 64

約数和(自身を含む): 59189760

約数和(自身を除く): 31307906

約数列:

[1, 2, 7, 11, 13, 14, 19, 22, 26, 38, 77, 91, 133, 143, 154, 182, 209, 247, 266, 286, 418, 494, 733, 1001, 1463, 1466, 1729, 2002, 2717, 2926, 3458, 5131, 5434, 8063, 9529, 10262, 13927, 16126, 19019, 19058, 27854, 38038, 56441, 66703, 97489, 104819, 112882, 133406, 153197, 181051, 194978, 209638, 306394, 362102, 733733, 1072379, 1267357, 1467466, 1991561, 2144758, 2534714, 3983122, 13940927, 27881854]

約数ペア:

[(1, 27881854), (2, 13940927), (7, 3983122), (11, 2534714), (13, 2144758), (14, 1991561), (19, 1467466), (22, 1267357), (26, 1072379), (38, 733733), (77, 362102), (91, 306394), (133, 209638), (143, 194978), (154, 181051), (182, 153197), (209, 133406), (247, 112882), (266, 104819), (286, 97489), (418, 66703), (494, 56441), (733, 38038), (1001, 27854), (1463, 19058), (1466, 19019), (1729, 16126), (2002, 13927), (2717, 10262), (2926, 9529), (3458, 8063), (5131, 5434)]