257788492

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{4957471}}^1$

素因数の和:4957488

約数の個数: 12

約数和(自身を含む): 485832256

約数和(自身を除く): 228043764

約数列:

[1, 2, 4, 13, 26, 52, 4957471, 9914942, 19829884, 64447123, 128894246, 257788492]

約数ペア:

[(1, 257788492), (2, 128894246), (4, 64447123), (13, 19829884), (26, 9914942), (52, 4957471)]