42156541

素因数分解:

$7^1\times {\mathrm{89}}^1\times {\mathrm{157}}^1\times {\mathrm{431}}^1$

素因数の和:684

約数の個数: 16

約数和(自身を含む): 49144320

約数和(自身を除く): 6987779

約数列:

[1, 7, 89, 157, 431, 623, 1099, 3017, 13973, 38359, 67667, 97811, 268513, 473669, 6022363, 42156541]

約数ペア:

[(1, 42156541), (7, 6022363), (89, 473669), (157, 268513), (431, 97811), (623, 67667), (1099, 38359), (3017, 13973)]