1640658471

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{421}}^1\times {\mathrm{56479}}^1$

素因数の和:56926

約数の個数: 16

約数和(自身を含む): 2288117760

約数和(自身を除く): 647459289

約数列:

[1, 3, 23, 69, 421, 1263, 9683, 29049, 56479, 169437, 1299017, 3897051, 23777659, 71332977, 546886157, 1640658471]

約数ペア:

[(1, 1640658471), (3, 546886157), (23, 71332977), (69, 23777659), (421, 3897051), (1263, 1299017), (9683, 169437), (29049, 56479)]