199728308

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{2237}}^1$

素因数の和:2372

約数の個数: 48

約数和(自身を含む): 402678864

約数和(自身を除く): 202950556

約数列:

[1, 2, 4, 13, 17, 26, 34, 52, 68, 101, 202, 221, 404, 442, 884, 1313, 1717, 2237, 2626, 3434, 4474, 5252, 6868, 8948, 22321, 29081, 38029, 44642, 58162, 76058, 89284, 116324, 152116, 225937, 451874, 494377, 903748, 988754, 1977508, 2937181, 3840929, 5874362, 7681858, 11748724, 15363716, 49932077, 99864154, 199728308]

約数ペア:

[(1, 199728308), (2, 99864154), (4, 49932077), (13, 15363716), (17, 11748724), (26, 7681858), (34, 5874362), (52, 3840929), (68, 2937181), (101, 1977508), (202, 988754), (221, 903748), (404, 494377), (442, 451874), (884, 225937), (1313, 152116), (1717, 116324), (2237, 89284), (2626, 76058), (3434, 58162), (4474, 44642), (5252, 38029), (6868, 29081), (8948, 22321)]