78898989

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{2017}}^1$

素因数の和:2109

約数の個数: 32

約数和(自身を含む): 122048640

約数和(自身を除く): 43149651

約数列:

[1, 3, 13, 17, 39, 51, 59, 177, 221, 663, 767, 1003, 2017, 2301, 3009, 6051, 13039, 26221, 34289, 39117, 78663, 102867, 119003, 357009, 445757, 1337271, 1547039, 2023051, 4641117, 6069153, 26299663, 78898989]

約数ペア:

[(1, 78898989), (3, 26299663), (13, 6069153), (17, 4641117), (39, 2023051), (51, 1547039), (59, 1337271), (177, 445757), (221, 357009), (663, 119003), (767, 102867), (1003, 78663), (2017, 39117), (2301, 34289), (3009, 26221), (6051, 13039)]