81643010

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{7873}}^1$

素因数の和:7958

約数の個数: 32

約数和(自身を含む): 158172912

約数和(自身を除く): 76529902

約数列:

[1, 2, 5, 10, 17, 34, 61, 85, 122, 170, 305, 610, 1037, 2074, 5185, 7873, 10370, 15746, 39365, 78730, 133841, 267682, 480253, 669205, 960506, 1338410, 2401265, 4802530, 8164301, 16328602, 40821505, 81643010]

約数ペア:

[(1, 81643010), (2, 40821505), (5, 16328602), (10, 8164301), (17, 4802530), (34, 2401265), (61, 1338410), (85, 960506), (122, 669205), (170, 480253), (305, 267682), (610, 133841), (1037, 78730), (2074, 39365), (5185, 15746), (7873, 10370)]