686083958

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{42283}}^1$

素因数の和:42372

約数の個数: 32

約数和(自身を含む): 1258371840

約数和(自身を除く): 572287882

約数列:

[1, 2, 7, 14, 19, 38, 61, 122, 133, 266, 427, 854, 1159, 2318, 8113, 16226, 42283, 84566, 295981, 591962, 803377, 1606754, 2579263, 5158526, 5623639, 11247278, 18054841, 36109682, 49005997, 98011994, 343041979, 686083958]

約数ペア:

[(1, 686083958), (2, 343041979), (7, 98011994), (14, 49005997), (19, 36109682), (38, 18054841), (61, 11247278), (122, 5623639), (133, 5158526), (266, 2579263), (427, 1606754), (854, 803377), (1159, 591962), (2318, 295981), (8113, 84566), (16226, 42283)]