80284148

素因数分解:

$2^2\times 7^2\times {\mathrm{157}}^1\times {\mathrm{2609}}^1$

素因数の和:2784

約数の個数: 36

約数和(自身を含む): 164539620

約数和(自身を除く): 84255472

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 157, 196, 314, 628, 1099, 2198, 2609, 4396, 5218, 7693, 10436, 15386, 18263, 30772, 36526, 73052, 127841, 255682, 409613, 511364, 819226, 1638452, 2867291, 5734582, 11469164, 20071037, 40142074, 80284148]

約数ペア:

[(1, 80284148), (2, 40142074), (4, 20071037), (7, 11469164), (14, 5734582), (28, 2867291), (49, 1638452), (98, 819226), (157, 511364), (196, 409613), (314, 255682), (628, 127841), (1099, 73052), (2198, 36526), (2609, 30772), (4396, 18263), (5218, 15386), (7693, 10436)]