818701994

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{557}}^1\times {\mathrm{941}}^1$

素因数の和:1582

約数の個数: 32

約数和(自身を含む): 1362448512

約数和(自身を除く): 543746518

約数列:

[1, 2, 11, 22, 71, 142, 557, 781, 941, 1114, 1562, 1882, 6127, 10351, 12254, 20702, 39547, 66811, 79094, 133622, 435017, 524137, 734921, 870034, 1048274, 1469842, 5765507, 11531014, 37213727, 74427454, 409350997, 818701994]

約数ペア:

[(1, 818701994), (2, 409350997), (11, 74427454), (22, 37213727), (71, 11531014), (142, 5765507), (557, 1469842), (781, 1048274), (941, 870034), (1114, 734921), (1562, 524137), (1882, 435017), (6127, 133622), (10351, 79094), (12254, 66811), (20702, 39547)]