642844970

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1487}}^1\times {\mathrm{2543}}^1$

素因数の和:4054

約数の個数: 32

約数和(自身を含む): 1226492928

約数和(自身を除く): 583647958

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 1487, 2543, 2974, 5086, 7435, 12715, 14870, 25279, 25430, 43231, 50558, 86462, 126395, 216155, 252790, 432310, 3781441, 7562882, 18907205, 37814410, 64284497, 128568994, 321422485, 642844970]

約数ペア:

[(1, 642844970), (2, 321422485), (5, 128568994), (10, 64284497), (17, 37814410), (34, 18907205), (85, 7562882), (170, 3781441), (1487, 432310), (2543, 252790), (2974, 216155), (5086, 126395), (7435, 86462), (12715, 50558), (14870, 43231), (25279, 25430)]