812778890

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{14867}}^1$

素因数の和:14963

約数の個数: 64

約数和(自身を含む): 1849817088

約数和(自身を除く): 1037038198

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 55, 70, 71, 77, 110, 142, 154, 355, 385, 497, 710, 770, 781, 994, 1562, 2485, 3905, 4970, 5467, 7810, 10934, 14867, 27335, 29734, 54670, 74335, 104069, 148670, 163537, 208138, 327074, 520345, 817685, 1040690, 1055557, 1144759, 1635370, 2111114, 2289518, 5277785, 5723795, 7388899, 10555570, 11447590, 11611127, 14777798, 23222254, 36944495, 58055635, 73888990, 81277889, 116111270, 162555778, 406389445, 812778890]

約数ペア:

[(1, 812778890), (2, 406389445), (5, 162555778), (7, 116111270), (10, 81277889), (11, 73888990), (14, 58055635), (22, 36944495), (35, 23222254), (55, 14777798), (70, 11611127), (71, 11447590), (77, 10555570), (110, 7388899), (142, 5723795), (154, 5277785), (355, 2289518), (385, 2111114), (497, 1635370), (710, 1144759), (770, 1055557), (781, 1040690), (994, 817685), (1562, 520345), (2485, 327074), (3905, 208138), (4970, 163537), (5467, 148670), (7810, 104069), (10934, 74335), (14867, 54670), (27335, 29734)]