142405991

素因数分解:

$7^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{97}}^1$

素因数の和:220

約数の個数: 48

約数和(自身を含む): 191104704

約数和(自身を除く): 48698713

約数列:

[1, 7, 13, 17, 73, 91, 97, 119, 169, 221, 511, 679, 949, 1183, 1241, 1261, 1547, 1649, 2873, 6643, 7081, 8687, 8827, 11543, 12337, 16133, 16393, 20111, 21437, 49567, 86359, 92053, 112931, 114751, 120377, 150059, 209729, 278681, 644371, 842639, 1196689, 1468103, 1564901, 1950767, 8376823, 10954307, 20343713, 142405991]

約数ペア:

[(1, 142405991), (7, 20343713), (13, 10954307), (17, 8376823), (73, 1950767), (91, 1564901), (97, 1468103), (119, 1196689), (169, 842639), (221, 644371), (511, 278681), (679, 209729), (949, 150059), (1183, 120377), (1241, 114751), (1261, 112931), (1547, 92053), (1649, 86359), (2873, 49567), (6643, 21437), (7081, 20111), (8687, 16393), (8827, 16133), (11543, 12337)]