64553008

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{503}}^1\times {\mathrm{617}}^1$

素因数の和:1141

約数の個数: 40

約数和(自身を含む): 135178848

約数和(自身を除く): 70625840

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 503, 617, 1006, 1234, 2012, 2468, 4024, 4936, 6539, 8021, 8048, 9872, 13078, 16042, 26156, 32084, 52312, 64168, 104624, 128336, 310351, 620702, 1241404, 2482808, 4034563, 4965616, 8069126, 16138252, 32276504, 64553008]

約数ペア:

[(1, 64553008), (2, 32276504), (4, 16138252), (8, 8069126), (13, 4965616), (16, 4034563), (26, 2482808), (52, 1241404), (104, 620702), (208, 310351), (503, 128336), (617, 104624), (1006, 64168), (1234, 52312), (2012, 32084), (2468, 26156), (4024, 16042), (4936, 13078), (6539, 9872), (8021, 8048)]