217130788

素因数分解:

$2^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{139}}^1\times {\mathrm{1187}}^1$

素因数の和:1384

約数の個数: 48

約数和(自身を含む): 447068160

約数和(自身を除く): 229937372

約数列:

[1, 2, 4, 7, 14, 28, 47, 94, 139, 188, 278, 329, 556, 658, 973, 1187, 1316, 1946, 2374, 3892, 4748, 6533, 8309, 13066, 16618, 26132, 33236, 45731, 55789, 91462, 111578, 164993, 182924, 223156, 329986, 390523, 659972, 781046, 1154951, 1562092, 2309902, 4619804, 7754671, 15509342, 31018684, 54282697, 108565394, 217130788]

約数ペア:

[(1, 217130788), (2, 108565394), (4, 54282697), (7, 31018684), (14, 15509342), (28, 7754671), (47, 4619804), (94, 2309902), (139, 1562092), (188, 1154951), (278, 781046), (329, 659972), (556, 390523), (658, 329986), (973, 223156), (1187, 182924), (1316, 164993), (1946, 111578), (2374, 91462), (3892, 55789), (4748, 45731), (6533, 33236), (8309, 26132), (13066, 16618)]