254366918

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{487}}^1\times {\mathrm{20089}}^1$

素因数の和:20591

約数の個数: 16

約数和(自身を含む): 411764640

約数和(自身を除く): 157397722

約数列:

[1, 2, 13, 26, 487, 974, 6331, 12662, 20089, 40178, 261157, 522314, 9783343, 19566686, 127183459, 254366918]

約数ペア:

[(1, 254366918), (2, 127183459), (13, 19566686), (26, 9783343), (487, 522314), (974, 261157), (6331, 40178), (12662, 20089)]