158978897

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{641}}^1\times {\mathrm{3221}}^1$

素因数の和:3880

約数の個数: 16

約数和(自身を含む): 198578304

約数和(自身を除く): 39599407

約数列:

[1, 7, 11, 77, 641, 3221, 4487, 7051, 22547, 35431, 49357, 248017, 2064661, 14452627, 22711271, 158978897]

約数ペア:

[(1, 158978897), (7, 22711271), (11, 14452627), (77, 2064661), (641, 248017), (3221, 49357), (4487, 35431), (7051, 22547)]