2861285140441

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{197}}^1\times {\mathrm{1645439}}^1$

素因数の和:1645753

約数の個数: 32

約数和(自身を含む): 3575949189120

約数和(自身を除く): 714664048679

約数列:

[1, 7, 13, 91, 97, 197, 679, 1261, 1379, 2561, 8827, 17927, 19109, 133763, 248417, 1645439, 1738919, 11518073, 21390707, 149734949, 159607583, 324151483, 1117253081, 2074898579, 2269060381, 4213969279, 14524290053, 29497784953, 31442693851, 220098856957, 408755020063, 2861285140441]

約数ペア:

[(1, 2861285140441), (7, 408755020063), (13, 220098856957), (91, 31442693851), (97, 29497784953), (197, 14524290053), (679, 4213969279), (1261, 2269060381), (1379, 2074898579), (2561, 1117253081), (8827, 324151483), (17927, 159607583), (19109, 149734949), (133763, 21390707), (248417, 11518073), (1645439, 1738919)]