257364068

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{409}}^1\times {\mathrm{12101}}^1$

素因数の和:12527

約数の個数: 24

約数和(自身を含む): 486258360

約数和(自身を除く): 228894292

約数列:

[1, 2, 4, 13, 26, 52, 409, 818, 1636, 5317, 10634, 12101, 21268, 24202, 48404, 157313, 314626, 629252, 4949309, 9898618, 19797236, 64341017, 128682034, 257364068]

約数ペア:

[(1, 257364068), (2, 128682034), (4, 64341017), (13, 19797236), (26, 9898618), (52, 4949309), (409, 629252), (818, 314626), (1636, 157313), (5317, 48404), (10634, 24202), (12101, 21268)]