173820665

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{109}}^1\times {\mathrm{257}}^1$

素因数の和:461

約数の個数: 32

約数和(自身を含む): 226812960

約数和(自身を除く): 52992295

約数列:

[1, 5, 17, 73, 85, 109, 257, 365, 545, 1241, 1285, 1853, 4369, 6205, 7957, 9265, 18761, 21845, 28013, 39785, 93805, 135269, 140065, 318937, 476221, 676345, 1594685, 2044949, 2381105, 10224745, 34764133, 173820665]

約数ペア:

[(1, 173820665), (5, 34764133), (17, 10224745), (73, 2381105), (85, 2044949), (109, 1594685), (257, 676345), (365, 476221), (545, 318937), (1241, 140065), (1285, 135269), (1853, 93805), (4369, 39785), (6205, 28013), (7957, 21845), (9265, 18761)]