81964416

素因数分解:

$2^7\times 3^1\times {\mathrm{213449}}^1$

素因数の和:213466

約数の個数: 32

約数和(自身を含む): 217719000

約数和(自身を除く): 135754584

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 128, 192, 384, 213449, 426898, 640347, 853796, 1280694, 1707592, 2561388, 3415184, 5122776, 6830368, 10245552, 13660736, 20491104, 27321472, 40982208, 81964416]

約数ペア:

[(1, 81964416), (2, 40982208), (3, 27321472), (4, 20491104), (6, 13660736), (8, 10245552), (12, 6830368), (16, 5122776), (24, 3415184), (32, 2561388), (48, 1707592), (64, 1280694), (96, 853796), (128, 640347), (192, 426898), (384, 213449)]