2019975619193

素因数分解:

$7^1\times {\mathrm{61}}^1\times {\mathrm{349}}^1\times {\mathrm{3371}}^1\times {\mathrm{4021}}^1$

素因数の和:7809

約数の個数: 32

約数和(自身を含む): 2354395142400

約数和(自身を除く): 334419523207

約数列:

[1, 7, 61, 349, 427, 2443, 3371, 4021, 21289, 23597, 28147, 149023, 205631, 245281, 1176479, 1403329, 1439417, 1716967, 8235353, 9823303, 13554791, 71765219, 85603069, 94883537, 502356533, 599221483, 826842251, 4730622059, 5787895757, 33114354413, 288567945599, 2019975619193]

約数ペア:

[(1, 2019975619193), (7, 288567945599), (61, 33114354413), (349, 5787895757), (427, 4730622059), (2443, 826842251), (3371, 599221483), (4021, 502356533), (21289, 94883537), (23597, 85603069), (28147, 71765219), (149023, 13554791), (205631, 9823303), (245281, 8235353), (1176479, 1716967), (1403329, 1439417)]