26980690

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{245279}}^1$

素因数の和:245297

約数の個数: 16

約数和(自身を含む): 52980480

約数和(自身を除く): 25999790

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 245279, 490558, 1226395, 2452790, 2698069, 5396138, 13490345, 26980690]

約数ペア:

[(1, 26980690), (2, 13490345), (5, 5396138), (10, 2698069), (11, 2452790), (22, 1226395), (55, 490558), (110, 245279)]