66401264

素因数分解:

$2^4\times {\mathrm{193}}^1\times {\mathrm{21503}}^1$

素因数の和:21704

約数の個数: 20

約数和(自身を含む): 129325056

約数和(自身を除く): 62923792

約数列:

[1, 2, 4, 8, 16, 193, 386, 772, 1544, 3088, 21503, 43006, 86012, 172024, 344048, 4150079, 8300158, 16600316, 33200632, 66401264]

約数ペア:

[(1, 66401264), (2, 33200632), (4, 16600316), (8, 8300158), (16, 4150079), (193, 344048), (386, 172024), (772, 86012), (1544, 43006), (3088, 21503)]