1399400065

素因数分解:

$5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{300623}}^1$

素因数の和:300661

約数の個数: 24

約数和(自身を含む): 2056268160

約数和(自身を除く): 656868095

約数列:

[1, 5, 7, 19, 35, 49, 95, 133, 245, 665, 931, 4655, 300623, 1503115, 2104361, 5711837, 10521805, 14730527, 28559185, 39982859, 73652635, 199914295, 279880013, 1399400065]

約数ペア:

[(1, 1399400065), (5, 279880013), (7, 199914295), (19, 73652635), (35, 39982859), (49, 28559185), (95, 14730527), (133, 10521805), (245, 5711837), (665, 2104361), (931, 1503115), (4655, 300623)]