81508728

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{485171}}^1$

素因数の和:485187

約数の個数: 32

約数和(自身を含む): 232882560

約数和(自身を除く): 151373832

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168, 485171, 970342, 1455513, 1940684, 2911026, 3396197, 3881368, 5822052, 6792394, 10188591, 11644104, 13584788, 20377182, 27169576, 40754364, 81508728]

約数ペア:

[(1, 81508728), (2, 40754364), (3, 27169576), (4, 20377182), (6, 13584788), (7, 11644104), (8, 10188591), (12, 6792394), (14, 5822052), (21, 3881368), (24, 3396197), (28, 2911026), (42, 1940684), (56, 1455513), (84, 970342), (168, 485171)]