28778487.000000000

素因数分解:

$2^4\times 7^1\times {\mathrm{241}}^1\times {\mathrm{3947}}^1$

素因数の和:4203

約数の個数: 40

約数和(自身を含む): 236943168

約数和(自身を除く): 130405744

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 241, 482, 964, 1687, 1928, 3374, 3856, 3947, 6748, 7894, 13496, 15788, 26992, 27629, 31576, 55258, 63152, 110516, 221032, 442064, 951227, 1902454, 3804908, 6658589, 7609816, 13317178, 15219632, 26634356, 53268712, 106537424]

約数ペア:

[(1, 106537424), (2, 53268712), (4, 26634356), (7, 15219632), (8, 13317178), (14, 7609816), (16, 6658589), (28, 3804908), (56, 1902454), (112, 951227), (241, 442064), (482, 221032), (964, 110516), (1687, 63152), (1928, 55258), (3374, 31576), (3856, 27629), (3947, 26992), (6748, 15788), (7894, 13496)]