181640228

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{31039}}^1$

素因数の和:31080

約数の個数: 48

約数和(自身を含む): 417177600

約数和(自身を除く): 235537372

約数列:

[1, 2, 4, 7, 11, 14, 19, 22, 28, 38, 44, 76, 77, 133, 154, 209, 266, 308, 418, 532, 836, 1463, 2926, 5852, 31039, 62078, 124156, 217273, 341429, 434546, 589741, 682858, 869092, 1179482, 1365716, 2358964, 2390003, 4128187, 4780006, 6487151, 8256374, 9560012, 12974302, 16512748, 25948604, 45410057, 90820114, 181640228]

約数ペア:

[(1, 181640228), (2, 90820114), (4, 45410057), (7, 25948604), (11, 16512748), (14, 12974302), (19, 9560012), (22, 8256374), (28, 6487151), (38, 4780006), (44, 4128187), (76, 2390003), (77, 2358964), (133, 1365716), (154, 1179482), (209, 869092), (266, 682858), (308, 589741), (418, 434546), (532, 341429), (836, 217273), (1463, 124156), (2926, 62078), (5852, 31039)]