678185859

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{461}}^1\times {\mathrm{563}}^1$

素因数の和:1107

約数の個数: 32

約数和(自身を含む): 992242944

約数和(自身を除く): 314057085

約数列:

[1, 3, 13, 39, 67, 201, 461, 563, 871, 1383, 1689, 2613, 5993, 7319, 17979, 21957, 30887, 37721, 92661, 113163, 259543, 401531, 490373, 778629, 1204593, 1471119, 3374059, 10122177, 17389381, 52168143, 226061953, 678185859]

約数ペア:

[(1, 678185859), (3, 226061953), (13, 52168143), (39, 17389381), (67, 10122177), (201, 3374059), (461, 1471119), (563, 1204593), (871, 778629), (1383, 490373), (1689, 401531), (2613, 259543), (5993, 113163), (7319, 92661), (17979, 37721), (21957, 30887)]