1380867131

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{61781}}^1$

素因数の和:61922

約数の個数: 16

約数和(自身を含む): 1644883968

約数和(自身を除く): 264016837

約数列:

[1, 7, 31, 103, 217, 721, 3193, 22351, 61781, 432467, 1915211, 6363443, 13406477, 44544101, 197266733, 1380867131]

約数ペア:

[(1, 1380867131), (7, 197266733), (31, 44544101), (103, 13406477), (217, 6363443), (721, 1915211), (3193, 432467), (22351, 61781)]