81665664

素因数分解:

$2^7\times 3^1\times {\mathrm{212671}}^1$

素因数の和:212688

約数の個数: 32

約数和(自身を含む): 216925440

約数和(自身を除く): 135259776

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 128, 192, 384, 212671, 425342, 638013, 850684, 1276026, 1701368, 2552052, 3402736, 5104104, 6805472, 10208208, 13610944, 20416416, 27221888, 40832832, 81665664]

約数ペア:

[(1, 81665664), (2, 40832832), (3, 27221888), (4, 20416416), (6, 13610944), (8, 10208208), (12, 6805472), (16, 5104104), (24, 3402736), (32, 2552052), (48, 1701368), (64, 1276026), (96, 850684), (128, 638013), (192, 425342), (384, 212671)]