1640390038

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{113}}^1\times {\mathrm{45083}}^1$

素因数の和:45228

約数の個数: 32

約数和(自身を含む): 2960395776

約数和(自身を除く): 1320005738

約数列:

[1, 2, 7, 14, 23, 46, 113, 161, 226, 322, 791, 1582, 2599, 5198, 18193, 36386, 45083, 90166, 315581, 631162, 1036909, 2073818, 5094379, 7258363, 10188758, 14516726, 35660653, 71321306, 117170717, 234341434, 820195019, 1640390038]

約数ペア:

[(1, 1640390038), (2, 820195019), (7, 234341434), (14, 117170717), (23, 71321306), (46, 35660653), (113, 14516726), (161, 10188758), (226, 7258363), (322, 5094379), (791, 2073818), (1582, 1036909), (2599, 631162), (5198, 315581), (18193, 90166), (36386, 45083)]