207353978

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{257263}}^1$

素因数の和:257309

約数の個数: 16

約数和(自身を含む): 345762816

約数和(自身を除く): 138408838

約数列:

[1, 2, 13, 26, 31, 62, 403, 806, 257263, 514526, 3344419, 6688838, 7975153, 15950306, 103676989, 207353978]

約数ペア:

[(1, 207353978), (2, 103676989), (13, 15950306), (26, 7975153), (31, 6688838), (62, 3344419), (403, 514526), (806, 257263)]