199509739

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{107}}^1$

素因数の和:220

約数の個数: 48

約数和(自身を含む): 256141440

約数和(自身を除く): 56631701

約数列:

[1, 11, 13, 17, 59, 107, 143, 169, 187, 221, 649, 767, 1003, 1177, 1391, 1819, 1859, 2431, 2873, 6313, 8437, 9971, 11033, 13039, 15301, 18083, 20009, 23647, 31603, 69443, 82069, 107321, 109681, 143429, 169507, 198913, 260117, 307411, 902759, 1066897, 1180531, 1395173, 1864577, 3381521, 11735867, 15346903, 18137249, 199509739]

約数ペア:

[(1, 199509739), (11, 18137249), (13, 15346903), (17, 11735867), (59, 3381521), (107, 1864577), (143, 1395173), (169, 1180531), (187, 1066897), (221, 902759), (649, 307411), (767, 260117), (1003, 198913), (1177, 169507), (1391, 143429), (1819, 109681), (1859, 107321), (2431, 82069), (2873, 69443), (6313, 31603), (8437, 23647), (9971, 20009), (11033, 18083), (13039, 15301)]