220136618

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{173}}^1\times {\mathrm{449}}^1$

素因数の和:746

約数の個数: 32

約数和(自身を含む): 361746000

約数和(自身を除く): 141609382

約数列:

[1, 2, 13, 26, 109, 173, 218, 346, 449, 898, 1417, 2249, 2834, 4498, 5837, 11674, 18857, 37714, 48941, 77677, 97882, 155354, 245141, 490282, 636233, 1009801, 1272466, 2019602, 8466793, 16933586, 110068309, 220136618]

約数ペア:

[(1, 220136618), (2, 110068309), (13, 16933586), (26, 8466793), (109, 2019602), (173, 1272466), (218, 1009801), (346, 636233), (449, 490282), (898, 245141), (1417, 155354), (2249, 97882), (2834, 77677), (4498, 48941), (5837, 37714), (11674, 18857)]