656788

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{59}}^1$

素因数の和:108

約数の個数: 36

約数和(自身を含む): 1340640

約数和(自身を除く): 683852

約数列:

[1, 2, 4, 11, 22, 23, 44, 46, 59, 92, 118, 121, 236, 242, 253, 484, 506, 649, 1012, 1298, 1357, 2596, 2714, 2783, 5428, 5566, 7139, 11132, 14278, 14927, 28556, 29854, 59708, 164197, 328394, 656788]

約数ペア:

[(1, 656788), (2, 328394), (4, 164197), (11, 59708), (22, 29854), (23, 28556), (44, 14927), (46, 14278), (59, 11132), (92, 7139), (118, 5566), (121, 5428), (236, 2783), (242, 2714), (253, 2596), (484, 1357), (506, 1298), (649, 1012)]