164393257

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{509}}^1$

素因数の和:625

約数の個数: 32

約数和(自身を含む): 204652800

約数和(自身を除く): 40259543

約数列:

[1, 7, 29, 37, 43, 203, 259, 301, 509, 1073, 1247, 1591, 3563, 7511, 8729, 11137, 14761, 18833, 21887, 46139, 103327, 131831, 153209, 322973, 546157, 634723, 809819, 3823099, 4443061, 5668733, 23484751, 164393257]

約数ペア:

[(1, 164393257), (7, 23484751), (29, 5668733), (37, 4443061), (43, 3823099), (203, 809819), (259, 634723), (301, 546157), (509, 322973), (1073, 153209), (1247, 131831), (1591, 103327), (3563, 46139), (7511, 21887), (8729, 18833), (11137, 14761)]