664173848

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{281}}^1\times {\mathrm{22727}}^1$

素因数の和:23027

約数の個数: 32

約数和(自身を含む): 1345952160

約数和(自身を除く): 681778312

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 281, 562, 1124, 2248, 3653, 7306, 14612, 22727, 29224, 45454, 90908, 181816, 295451, 590902, 1181804, 2363608, 6386287, 12772574, 25545148, 51090296, 83021731, 166043462, 332086924, 664173848]

約数ペア:

[(1, 664173848), (2, 332086924), (4, 166043462), (8, 83021731), (13, 51090296), (26, 25545148), (52, 12772574), (104, 6386287), (281, 2363608), (562, 1181804), (1124, 590902), (2248, 295451), (3653, 181816), (7306, 90908), (14612, 45454), (22727, 29224)]