642743281418

素因数分解:

$2^1\times 7^1\times {\mathrm{677}}^1\times {\mathrm{4339}}^1\times {\mathrm{15629}}^1$

素因数の和:20654

約数の個数: 32

約数和(自身を含む): 1103798102400

約数和(自身を除く): 461054820982

約数列:

[1, 2, 7, 14, 677, 1354, 4339, 4739, 8678, 9478, 15629, 30373, 31258, 60746, 109403, 218806, 2937503, 5875006, 10580833, 20562521, 21161666, 41125042, 67814231, 74065831, 135628462, 148131662, 474699617, 949399234, 45910234387, 91820468774, 321371640709, 642743281418]

約数ペア:

[(1, 642743281418), (2, 321371640709), (7, 91820468774), (14, 45910234387), (677, 949399234), (1354, 474699617), (4339, 148131662), (4739, 135628462), (8678, 74065831), (9478, 67814231), (15629, 41125042), (30373, 21161666), (31258, 20562521), (60746, 10580833), (109403, 5875006), (218806, 2937503)]