78016989

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{127}}^1\times {\mathrm{307}}^1$

素因数の和:489

約数の個数: 32

約数和(自身を含む): 113541120

約数和(自身を除く): 35524131

約数列:

[1, 3, 23, 29, 69, 87, 127, 307, 381, 667, 921, 2001, 2921, 3683, 7061, 8763, 8903, 11049, 21183, 26709, 38989, 84709, 116967, 204769, 254127, 614307, 896747, 1130681, 2690241, 3392043, 26005663, 78016989]

約数ペア:

[(1, 78016989), (3, 26005663), (23, 3392043), (29, 2690241), (69, 1130681), (87, 896747), (127, 614307), (307, 254127), (381, 204769), (667, 116967), (921, 84709), (2001, 38989), (2921, 26709), (3683, 21183), (7061, 11049), (8763, 8903)]