198258478

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{193}}^1\times {\mathrm{881}}^1$

素因数の和:1140

約数の個数: 32

約数和(自身を含む): 332633952

約数和(自身を除く): 134375474

約数列:

[1, 2, 11, 22, 53, 106, 193, 386, 583, 881, 1166, 1762, 2123, 4246, 9691, 10229, 19382, 20458, 46693, 93386, 112519, 170033, 225038, 340066, 513623, 1027246, 1870363, 3740726, 9011749, 18023498, 99129239, 198258478]

約数ペア:

[(1, 198258478), (2, 99129239), (11, 18023498), (22, 9011749), (53, 3740726), (106, 1870363), (193, 1027246), (386, 513623), (583, 340066), (881, 225038), (1166, 170033), (1762, 112519), (2123, 93386), (4246, 46693), (9691, 20458), (10229, 19382)]