668848976

素因数分解:

$2^4\times {\mathrm{53}}^1\times {\mathrm{263}}^1\times {\mathrm{2999}}^1$

素因数の和:3323

約数の個数: 40

約数和(自身を含む): 1325808000

約数和(自身を除く): 656959024

約数列:

[1, 2, 4, 8, 16, 53, 106, 212, 263, 424, 526, 848, 1052, 2104, 2999, 4208, 5998, 11996, 13939, 23992, 27878, 47984, 55756, 111512, 158947, 223024, 317894, 635788, 788737, 1271576, 1577474, 2543152, 3154948, 6309896, 12619792, 41803061, 83606122, 167212244, 334424488, 668848976]

約数ペア:

[(1, 668848976), (2, 334424488), (4, 167212244), (8, 83606122), (16, 41803061), (53, 12619792), (106, 6309896), (212, 3154948), (263, 2543152), (424, 1577474), (526, 1271576), (848, 788737), (1052, 635788), (2104, 317894), (2999, 223024), (4208, 158947), (5998, 111512), (11996, 55756), (13939, 47984), (23992, 27878)]