31640987

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{1049}}^1$

素因数の和:1226

約数の個数: 16

約数和(自身を含む): 37632000

約数和(自身を除く): 5991013

約数列:

[1, 7, 31, 139, 217, 973, 1049, 4309, 7343, 30163, 32519, 145811, 227633, 1020677, 4520141, 31640987]

約数ペア:

[(1, 31640987), (7, 4520141), (31, 1020677), (139, 227633), (217, 145811), (973, 32519), (1049, 30163), (4309, 7343)]