1998355866

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{692431}}^1$

素因数の和:692486

約数の個数: 32

約数和(自身を含む): 4420485888

約数和(自身を除く): 2422130022

約数列:

[1, 2, 3, 6, 13, 26, 37, 39, 74, 78, 111, 222, 481, 962, 1443, 2886, 692431, 1384862, 2077293, 4154586, 9001603, 18003206, 25619947, 27004809, 51239894, 54009618, 76859841, 153719682, 333059311, 666118622, 999177933, 1998355866]

約数ペア:

[(1, 1998355866), (2, 999177933), (3, 666118622), (6, 333059311), (13, 153719682), (26, 76859841), (37, 54009618), (39, 51239894), (74, 27004809), (78, 25619947), (111, 18003206), (222, 9001603), (481, 4154586), (962, 2077293), (1443, 1384862), (2886, 692431)]