66698140

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{196171}}^1$

素因数の和:196197

約数の個数: 24

約数和(自身を含む): 148306032

約数和(自身を除く): 81607892

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 196171, 392342, 784684, 980855, 1961710, 3334907, 3923420, 6669814, 13339628, 16674535, 33349070, 66698140]

約数ペア:

[(1, 66698140), (2, 33349070), (4, 16674535), (5, 13339628), (10, 6669814), (17, 3923420), (20, 3334907), (34, 1961710), (68, 980855), (85, 784684), (170, 392342), (340, 196171)]