137690128

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{200131}}^1$

素因数の和:200182

約数の個数: 20

約数和(自身を含む): 272980048

約数和(自身を除く): 135289920

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 688, 200131, 400262, 800524, 1601048, 3202096, 8605633, 17211266, 34422532, 68845064, 137690128]

約数ペア:

[(1, 137690128), (2, 68845064), (4, 34422532), (8, 17211266), (16, 8605633), (43, 3202096), (86, 1601048), (172, 800524), (344, 400262), (688, 200131)]