209821249

素因数分解:

${\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{397}}^1\times {\mathrm{2089}}^1$

素因数の和:2520

約数の個数: 16

約数和(自身を含む): 239564160

約数和(自身を除く): 29742911

約数列:

[1, 11, 23, 253, 397, 2089, 4367, 9131, 22979, 48047, 100441, 528517, 829333, 9122663, 19074659, 209821249]

約数ペア:

[(1, 209821249), (11, 19074659), (23, 9122663), (253, 829333), (397, 528517), (2089, 100441), (4367, 48047), (9131, 22979)]