254161105

素因数分解:

$5^1\times {\mathrm{11}}^3\times {\mathrm{181}}^1\times {\mathrm{211}}^1$

素因数の和:430

約数の個数: 32

約数和(自身を含む): 338921856

約数和(自身を除く): 84760751

約数列:

[1, 5, 11, 55, 121, 181, 211, 605, 905, 1055, 1331, 1991, 2321, 6655, 9955, 11605, 21901, 25531, 38191, 109505, 127655, 190955, 240911, 280841, 420101, 1204555, 1404205, 2100505, 4621111, 23105555, 50832221, 254161105]

約数ペア:

[(1, 254161105), (5, 50832221), (11, 23105555), (55, 4621111), (121, 2100505), (181, 1404205), (211, 1204555), (605, 420101), (905, 280841), (1055, 240911), (1331, 190955), (1991, 127655), (2321, 109505), (6655, 38191), (9955, 25531), (11605, 21901)]