71778890

素因数分解:

$2^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{419}}^1\times {\mathrm{463}}^1$

素因数の和:926

約数の個数: 32

約数和(自身を含む): 133297920

約数和(自身を除く): 61519030

約数列:

[1, 2, 5, 10, 37, 74, 185, 370, 419, 463, 838, 926, 2095, 2315, 4190, 4630, 15503, 17131, 31006, 34262, 77515, 85655, 155030, 171310, 193997, 387994, 969985, 1939970, 7177889, 14355778, 35889445, 71778890]

約数ペア:

[(1, 71778890), (2, 35889445), (5, 14355778), (10, 7177889), (37, 1939970), (74, 969985), (185, 387994), (370, 193997), (419, 171310), (463, 155030), (838, 85655), (926, 77515), (2095, 34262), (2315, 31006), (4190, 17131), (4630, 15503)]