66871930

素因数分解:

$2^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{227}}^1\times {\mathrm{331}}^1$

素因数の和:654

約数の個数: 32

約数和(自身を含む): 122627520

約数和(自身を除く): 55755590

約数列:

[1, 2, 5, 10, 89, 178, 227, 331, 445, 454, 662, 890, 1135, 1655, 2270, 3310, 20203, 29459, 40406, 58918, 75137, 101015, 147295, 150274, 202030, 294590, 375685, 751370, 6687193, 13374386, 33435965, 66871930]

約数ペア:

[(1, 66871930), (2, 33435965), (5, 13374386), (10, 6687193), (89, 751370), (178, 375685), (227, 294590), (331, 202030), (445, 150274), (454, 147295), (662, 101015), (890, 75137), (1135, 58918), (1655, 40406), (2270, 29459), (3310, 20203)]