681215474

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{1913}}^1\times {\mathrm{9371}}^1$

素因数の和:11305

約数の個数: 16

約数和(自身を含む): 1076280480

約数和(自身を除く): 395065006

約数列:

[1, 2, 19, 38, 1913, 3826, 9371, 18742, 36347, 72694, 178049, 356098, 17926723, 35853446, 340607737, 681215474]

約数ペア:

[(1, 681215474), (2, 340607737), (19, 35853446), (38, 17926723), (1913, 356098), (3826, 178049), (9371, 72694), (18742, 36347)]