67263248

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{323381}}^1$

素因数の和:323402

約数の個数: 20

約数和(自身を含む): 140347788

約数和(自身を除く): 73084540

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 323381, 646762, 1293524, 2587048, 4203953, 5174096, 8407906, 16815812, 33631624, 67263248]

約数ペア:

[(1, 67263248), (2, 33631624), (4, 16815812), (8, 8407906), (13, 5174096), (16, 4203953), (26, 2587048), (52, 1293524), (104, 646762), (208, 323381)]