81530764

素因数分解:

$2^2\times 7^1\times {\mathrm{89}}^1\times {\mathrm{32717}}^1$

素因数の和:32817

約数の個数: 24

約数和(自身を含む): 164898720

約数和(自身を除く): 83367956

約数列:

[1, 2, 4, 7, 14, 28, 89, 178, 356, 623, 1246, 2492, 32717, 65434, 130868, 229019, 458038, 916076, 2911813, 5823626, 11647252, 20382691, 40765382, 81530764]

約数ペア:

[(1, 81530764), (2, 40765382), (4, 20382691), (7, 11647252), (14, 5823626), (28, 2911813), (89, 916076), (178, 458038), (356, 229019), (623, 130868), (1246, 65434), (2492, 32717)]