261020008

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{719}}^1\times {\mathrm{1973}}^1$

素因数の和:2721

約数の個数: 32

約数和(自身を含む): 511660800

約数和(自身を除く): 250640792

約数列:

[1, 2, 4, 8, 23, 46, 92, 184, 719, 1438, 1973, 2876, 3946, 5752, 7892, 15784, 16537, 33074, 45379, 66148, 90758, 132296, 181516, 363032, 1418587, 2837174, 5674348, 11348696, 32627501, 65255002, 130510004, 261020008]

約数ペア:

[(1, 261020008), (2, 130510004), (4, 65255002), (8, 32627501), (23, 11348696), (46, 5674348), (92, 2837174), (184, 1418587), (719, 363032), (1438, 181516), (1973, 132296), (2876, 90758), (3946, 66148), (5752, 45379), (7892, 33074), (15784, 16537)]