142390843

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1\times {\mathrm{5009}}^1$

素因数の和:5178

約数の個数: 16

約数和(自身を含む): 169297920

約数和(自身を除く): 26907077

約数列:

[1, 7, 31, 131, 217, 917, 4061, 5009, 28427, 35063, 155279, 656179, 1086953, 4593253, 20341549, 142390843]

約数ペア:

[(1, 142390843), (7, 20341549), (31, 4593253), (131, 1086953), (217, 656179), (917, 155279), (4061, 35063), (5009, 28427)]