678974398

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{683}}^1\times {\mathrm{21611}}^1$

素因数の和:22319

約数の個数: 16

約数和(自身を含む): 1064347776

約数和(自身を除く): 385373378

約数列:

[1, 2, 23, 46, 683, 1366, 15709, 21611, 31418, 43222, 497053, 994106, 14760313, 29520626, 339487199, 678974398]

約数ペア:

[(1, 678974398), (2, 339487199), (23, 29520626), (46, 14760313), (683, 994106), (1366, 497053), (15709, 43222), (21611, 31418)]