1380879454

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{1667}}^1\times {\mathrm{21799}}^1$

素因数の和:23487

約数の個数: 16

約数和(自身を含む): 2181744000

約数和(自身を除く): 800864546

約数列:

[1, 2, 19, 38, 1667, 3334, 21799, 31673, 43598, 63346, 414181, 828362, 36338933, 72677866, 690439727, 1380879454]

約数ペア:

[(1, 1380879454), (2, 690439727), (19, 72677866), (38, 36338933), (1667, 828362), (3334, 414181), (21799, 63346), (31673, 43598)]