213069724

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{2551}}^1$

素因数の和:2738

約数の個数: 48

約数和(自身を含む): 451601920

約数和(自身を除く): 238532196

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 157, 266, 314, 532, 628, 1099, 2198, 2551, 2983, 4396, 5102, 5966, 10204, 11932, 17857, 20881, 35714, 41762, 48469, 71428, 83524, 96938, 193876, 339283, 400507, 678566, 801014, 1357132, 1602028, 2803549, 5607098, 7609633, 11214196, 15219266, 30438532, 53267431, 106534862, 213069724]

約数ペア:

[(1, 213069724), (2, 106534862), (4, 53267431), (7, 30438532), (14, 15219266), (19, 11214196), (28, 7609633), (38, 5607098), (76, 2803549), (133, 1602028), (157, 1357132), (266, 801014), (314, 678566), (532, 400507), (628, 339283), (1099, 193876), (2198, 96938), (2551, 83524), (2983, 71428), (4396, 48469), (5102, 41762), (5966, 35714), (10204, 20881), (11932, 17857)]