158193259

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1\times {\mathrm{199}}^1$

素因数の和:407

約数の個数: 32

約数和(自身を含む): 197120000

約数和(自身を除く): 38926741

約数列:

[1, 7, 19, 43, 133, 139, 199, 301, 817, 973, 1393, 2641, 3781, 5719, 5977, 8557, 18487, 26467, 27661, 41839, 59899, 113563, 162583, 193627, 525559, 794941, 1138081, 1189423, 3678913, 8325961, 22599037, 158193259]

約数ペア:

[(1, 158193259), (7, 22599037), (19, 8325961), (43, 3678913), (133, 1189423), (139, 1138081), (199, 794941), (301, 525559), (817, 193627), (973, 162583), (1393, 113563), (2641, 59899), (3781, 41839), (5719, 27661), (5977, 26467), (8557, 18487)]