257913791

素因数分解:

${\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{157}}^1\times {\mathrm{1531}}^1$

素因数の和:1754

約数の個数: 16

約数和(自身を含む): 275943840

約数和(自身を除く): 18030049

約数列:

[1, 29, 37, 157, 1073, 1531, 4553, 5809, 44399, 56647, 168461, 240367, 1642763, 6970643, 8893579, 257913791]

約数ペア:

[(1, 257913791), (29, 8893579), (37, 6970643), (157, 1642763), (1073, 240367), (1531, 168461), (4553, 56647), (5809, 44399)]