646529984

素因数分解:

$2^6\times {\mathrm{41}}^1\times {\mathrm{246391}}^1$

素因数の和:246444

約数の個数: 28

約数和(自身を含む): 1314254928

約数和(自身を除く): 667724944

約数列:

[1, 2, 4, 8, 16, 32, 41, 64, 82, 164, 328, 656, 1312, 2624, 246391, 492782, 985564, 1971128, 3942256, 7884512, 10102031, 15769024, 20204062, 40408124, 80816248, 161632496, 323264992, 646529984]

約数ペア:

[(1, 646529984), (2, 323264992), (4, 161632496), (8, 80816248), (16, 40408124), (32, 20204062), (41, 15769024), (64, 10102031), (82, 7884512), (164, 3942256), (328, 1971128), (656, 985564), (1312, 492782), (2624, 246391)]