81332464

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{267541}}^1$

素因数の和:267568

約数の個数: 20

約数和(自身を含む): 165876040

約数和(自身を除く): 84543576

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 267541, 535082, 1070164, 2140328, 4280656, 5083279, 10166558, 20333116, 40666232, 81332464]

約数ペア:

[(1, 81332464), (2, 40666232), (4, 20333116), (8, 10166558), (16, 5083279), (19, 4280656), (38, 2140328), (76, 1070164), (152, 535082), (304, 267541)]