1380866018

素因数分解:

$2^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{719951}}^1$

素因数の和:720097

約数の個数: 16

約数和(自身を含む): 2384481024

約数和(自身を除く): 1003615006

約数列:

[1, 2, 7, 14, 137, 274, 959, 1918, 719951, 1439902, 5039657, 10079314, 98633287, 197266574, 690433009, 1380866018]

約数ペア:

[(1, 1380866018), (2, 690433009), (7, 197266574), (14, 98633287), (137, 10079314), (274, 5039657), (959, 1439902), (1918, 719951)]