201720856

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{241}}^1\times {\mathrm{4549}}^1$

素因数の和:4819

約数の個数: 32

約数和(自身を含む): 396396000

約数和(自身を除く): 194675144

約数列:

[1, 2, 4, 8, 23, 46, 92, 184, 241, 482, 964, 1928, 4549, 5543, 9098, 11086, 18196, 22172, 36392, 44344, 104627, 209254, 418508, 837016, 1096309, 2192618, 4385236, 8770472, 25215107, 50430214, 100860428, 201720856]

約数ペア:

[(1, 201720856), (2, 100860428), (4, 50430214), (8, 25215107), (23, 8770472), (46, 4385236), (92, 2192618), (184, 1096309), (241, 837016), (482, 418508), (964, 209254), (1928, 104627), (4549, 44344), (5543, 36392), (9098, 22172), (11086, 18196)]