256914892

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{4940671}}^1$

素因数の和:4940688

約数の個数: 12

約数和(自身を含む): 484185856

約数和(自身を除く): 227270964

約数列:

[1, 2, 4, 13, 26, 52, 4940671, 9881342, 19762684, 64228723, 128457446, 256914892]

約数ペア:

[(1, 256914892), (2, 128457446), (4, 64228723), (13, 19762684), (26, 9881342), (52, 4940671)]